Hard Drives & SSDs

Ranked by price per gigabyte

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1

WD - easystore 18TB External USB 3.0 Hard Drive - Black

Western DigitalBest Buy2yrHDD
4.5(750)

Capacity

18 TB

Price

$359.99

$/GB

$0.020

2

WD - easystore 20TB External USB 3.0 Hard Drive - Black

Western DigitalBest Buy2yrHDD
4.6(271)

Capacity

20 TB

Price

$399.99

$/GB

$0.020

3

Seagate - IronWolf Pro 24TB NAS Internal Hard Drive with Rescue Data Recovery Services

SeagateBest Buy5yrHDD
4.4(7)
285 / 285MB/s

Capacity

24 TB

Price

$519.99

$/GB

$0.022

4

Seagate - Expansion 16TB External USB 3.0 Desktop Hard Drive with Rescue Data Recovery Services - Black

SeagateBest Buy1yrHDD
4.3(114)

Capacity

16 TB

Price

$349.99

$/GB

$0.022

5

Seagate - Game Drive for Xbox 8TB External USB 3.2 Gen 1 Desktop Hard Drive with Certified Xbox Green LED Lighting - Black

SeagateBest BuyHDD
4.6(78)

Capacity

8 TB

Price

$199.99

$/GB

$0.025

6

Seagate - Barracuda 8TB Internal Hard Drive for Desktops

SeagateBest Buy2yrHDD
4.6(404)
190 / 190MB/s

Capacity

8 TB

Price

$199.99

$/GB

$0.025

7

Seagate - IronWolf Pro 20TB NAS Internal Hard Drive with Rescue Data Recovery Services

SeagateBest Buy5yrHDD
4.6(28)
285 / 285MB/s

Capacity

20 TB

Price

$499.99

$/GB

$0.025

8

WD - Blue 8TB PC Internal Hard Drive for Desktops

Western DigitalBest Buy2yrHDD
4.2(16)
215 / 215MB/s

Capacity

8 TB

Price

$204.99

$/GB

$0.026

9

WD - Blue 6TB PC Internal Hard Drive for Desktops

Western DigitalBest Buy2yrHDD
4.5(96)
170 / 170MB/s

Capacity

6 TB

Price

$159.99

$/GB

$0.027

10

WD - D10 Game Drive for Xbox 12TB External USB 3.2 Gen 1 Portable Hard Drive - Black

Western DigitalBest BuyHDD
4.7(42)

Capacity

12 TB

Price

$319.99

$/GB

$0.027

11

WD - Easystore 5TB External USB 3.2 Gen 1 Portable Hard Drive - Black

Western DigitalBest Buy2yrHDD
4.7(11,975)

Capacity

5 TB

Price

$134.99

$/GB

$0.027

12

WD - Easystore 6TB External USB 3.2 Gen 1 Portable Hard Drive - Black

Western DigitalBest Buy2yrHDD
4.7(94)

Capacity

6 TB

Price

$164.99

$/GB

$0.027

13

Seagate - Expansion Desktop 8TB HDD - Black

SeagateBest Buy1yrHDD
4.7(165)

Capacity

8 TB

Price

$219.99

$/GB

$0.027

14

WD - easystore 8TB External USB 3.0 Hard Drive - Black

Western DigitalBest Buy2yrHDD
4.7(7,201)

Capacity

8 TB

Price

$224.99

$/GB

$0.028

15

WD - Red Plus 8TB NAS Internal Hard Drive

Western DigitalBest Buy3yrHDD
4.8(61)
215 / 215MB/s

Capacity

8 TB

Price

$224.99

$/GB

$0.028

16

WD - D10 8TB External USB 3.2 Gen 1 Portable Hard Drive - Black

Western DigitalBest Buy3yrHDD
4.7(969)
250 / 250MB/s

Capacity

8 TB

Price

$244.99

$/GB

$0.031

17

WD - BLACK 6TB Gaming Internal Hard Drive

Western DigitalBest Buy5yrHDD
4.5(45)
256 / 256MB/s

Capacity

6 TB

Price

$189.99

$/GB

$0.032

18

WD - My Passport 5TB External USB 3.0 Portable Hard Drive - Black

Western DigitalBest Buy3yrHDD
4.7(2,865)

Capacity

5 TB

Price

$159.99

$/GB

$0.032

19

Seagate - Game Drive for Xbox 5TB External USB 3.2 Gen 1 Portable Hard Drive Xbox Certified with Green LED Bar - Black

SeagateBest BuyHDD
4.5(77)

Capacity

5 TB

Price

$159.99

$/GB

$0.032

20

Seagate - Astro Bot Limited Edition Game Drive for PlayStation 5TB External USB 3.2 Gen 1 Portable Hard Drive - White

SeagateBest BuyHDD
5.0(2)

Capacity

5 TB

Price

$159.99

$/GB

$0.032

21

Seagate - Expansion 5TB External USB 3.0 Portable Hard Drive with Rescue Data Recovery Services - Black

SeagateBest Buy1yrHDD
4.8(262)

Capacity

5 TB

Price

$159.99

$/GB

$0.032

22

WD - BLACK P10 Game Drive for Xbox 5TB External USB 3.2 Gen 1 Portable Hard Drive - Black With White Trim

Western DigitalBest BuyHDD
4.7(473)

Capacity

5 TB

Price

$164.99

$/GB

$0.033

23

WD - P10 5TB External USB 3.2 Gen 1 Portable Hard Drive - Black

Western DigitalBest Buy3yrHDD
4.8(462)
140 / 140MB/s

Capacity

5 TB

Price

$164.99

$/GB

$0.033

24

WD - My Passport Ultra 4TB External USB 3.0 Portable Hard Drive - Silver

Western DigitalBest Buy3yrHDD
4.7(1,165)

Capacity

4 TB

Price

$139.99

$/GB

$0.035

25

Seagate - Game Drive for PlayStation Consoles 5TB External USB 3.2 Gen 1 Portable Hard Drive with Blue LED Lighting - White

SeagateBest Buy3yrHDD
4.6(504)

Capacity

5 TB

Price

$179.99

$/GB

$0.036

26

WD - Easystore 2TB External USB 3.2 Gen 1 Portable Hard Drive - Black

Western DigitalBest Buy2yrHDD
4.7(17,539)

Capacity

2 TB

Price

$79.99

$/GB

$0.040

27

WD - My Cloud Home 4TB Personal Cloud - White

Western DigitalBest Buy2yrHDD
4.0(1,469)

Capacity

4 TB

Price

$159.99

$/GB

$0.040

28

SanDisk Professional - G-DRIVE ArmorATD 4TB External USB-C Portable Hard Drive - Space Gray

G-DRIVEBest Buy3yrHDD
4.4(90)
130 / 130MB/s

Capacity

4 TB

Price

$169.99

$/GB

$0.042

29

Seagate - Barracuda 2TB Internal Hard Drive for Desktops

SeagateBest Buy2yrHDD
4.7(1,166)
220 / 220MB/s

Capacity

2 TB

Price

$89.99

$/GB

$0.045

30

WD - My Passport 2TB External USB 3.0 Portable Hard Drive - Black

Western DigitalBest Buy3yrHDD
4.7(5,075)

Capacity

2 TB

Price

$94.99

$/GB

$0.047

31

Seagate - Game Drive for Xbox 2TB External USB 3.2 Gen 1 Portable Hard Drive Xbox Certified with Green LED Bar - Black

SeagateBest BuyHDD
4.6(978)

Capacity

2 TB

Price

$99.99

$/GB

$0.050

32

Seagate - Expansion 2TB External USB 3.0 Portable Hard Drive with Rescue Data Recovery Services - Black

SeagateBest Buy1yrHDD
4.7(630)

Capacity

2 TB

Price

$99.99

$/GB

$0.050

33

WD - My Passport Ultra 2TB External USB 3.0 Portable Hard Drive - Silver

Western DigitalBest Buy3yrHDD
4.7(1,154)

Capacity

2 TB

Price

$104.99

$/GB

$0.052

34

Seagate - Game Drive for PlayStation Consoles 2TB External USB 3.2 Gen 1 Portable Hard Drive with Blue LED Lighting - White

SeagateBest Buy3yrHDD
4.7(639)

Capacity

2 TB

Price

$119.99

$/GB

$0.060

35

Crucial - X6 SE 2TB External USB-C/USB-A Portable SSD - Black

CrucialBest Buy3yrSATA SSD
4.7(410)
800 / 800MB/s

Capacity

2 TB

Price

$127.99

$/GB

$0.064

36

SanDisk Professional - G-DRIVE ArmorATD 2TB External USB-C Portable Hard Drive - Space Gray

G-DRIVEBest Buy3yrHDD
4.9(14)
130 / 130MB/s

Capacity

2 TB

Price

$128.99

$/GB

$0.064

37

LaCie - Rugged 2TB External USB-C, USB 3.1 Gen 1 Portable Hard Drive - Orange/Silver

LaCieBest Buy2yrHDD
4.7(1,000)

Capacity

2 TB

Price

$129.99

$/GB

$0.065

38

WD - Easystore 1TB External USB 3.2 Gen 1 Portable Hard Drive - Black

Western DigitalBest Buy2yrHDD
4.7(13,663)

Capacity

1 TB

Price

$79.99

$/GB

$0.080

39

WD - My Passport 1TB External USB 3.0 Portable Hard Drive - Black

Western DigitalBest Buy3yrHDD
4.7(2,636)

Capacity

1 TB

Price

$84.99

$/GB

$0.085

40

Crucial - X9 4TB External USB-C SSD - Black

CrucialBest BuySATA SSD
4.5(19)
1,050MB/s

Capacity

4 TB

Price

$354.99

$/GB

$0.089

41

SANDISK - 8TB Desk Drive USB Type-C Desktop External SSD - Black

SanDiskBest BuySATA SSD
4.6(29)
1,000MB/s

Capacity

8 TB

Price

$739.99

$/GB

$0.092

42

Crucial - BX500 4TB Internal SSD SATA

CrucialBest BuySATA SSD
4.4(73)
540 / 500MB/s

Capacity

4 TB

Price

$379.99

$/GB

$0.095

43

Crucial - X10 8TB External USB-C SSD - Blue

CrucialBest Buy3yrSATA SSD
4.8(27)
2,100MB/s

Capacity

8 TB

Price

$759.99

$/GB

$0.095

44

Crucial - X9 2TB External USB-C SSD - Black

CrucialBest BuySATA SSD
4.7(298)
1,050MB/s

Capacity

2 TB

Price

$195.99

$/GB

$0.098

45

Crucial - X6 SE 1TB External USB-C/USB-A Portable SSD - Black

CrucialBest Buy3yrSATA SSD
4.8(881)
800 / 800MB/s

Capacity

1 TB

Price

$99.99

$/GB

$0.100

46

Crucial - X10 4TB External USB-C SSD - Blue

CrucialBest Buy3yrSATA SSD
4.8(50)
2,100MB/s

Capacity

4 TB

Price

$399.99

$/GB

$0.100

47

WD - easystore 1TB External USB 3.0 Portable SSD - Black

Western DigitalBest Buy3yrSATA SSD
4.8(884)
400MB/s

Capacity

1 TB

Price

$104.99

$/GB

$0.105

48

Crucial - X10 6TB External USB-C SSD - Blue

CrucialBest Buy3yrSATA SSD
4.7(9)
2,100MB/s

Capacity

6 TB

Price

$643.99

$/GB

$0.107

49

LaCie - Rugged 1TB External USB-C, USB 3.1 Gen 1 Portable Hard Drive - Orange/Silver

LaCieBest Buy2yrHDD
4.7(68)

Capacity

1 TB

Price

$109.99

$/GB

$0.110

50

SANDISK - Extreme Portable 4TB External USB-C NVMe SSD - Monterey

SanDiskBest Buy5yrSATA SSD
4.6(614)
1,050 / 1,000MB/s

Capacity

4 TB

Price

$444.99

$/GB

$0.111

51

SANDISK - Extreme Portable 4TB External USB-C NVMe SSD - Sky Blue

SanDiskBest Buy5yrSATA SSD
4.6(614)
1,050 / 1,000MB/s

Capacity

4 TB

Price

$444.99

$/GB

$0.111

52

WD - Blue SA510 500GB Internal SSD SATA

Western DigitalBest Buy5yrSATA SSD
4.6(538)
560 / 510MB/s

Capacity

500 GB

Price

$55.99

$/GB

$0.112

53

SANDISK - Extreme Portable 4TB External USB-C NVMe SSD - Black

SanDiskBest Buy5yrSATA SSD
4.6(614)
1,050 / 1,000MB/s

Capacity

4 TB

Price

$449.99

$/GB

$0.112

54

Crucial - X10 Pro 4TB USB-C External SSD - Black

CrucialBest BuySATA SSD
4.3(168)
2,100 / 2,000MB/s

Capacity

4 TB

Price

$449.99

$/GB

$0.112

55

SANDISK - 2TB Creator Phone SSD External USB Type C Drive with Magsafe Compatibility for iPhone 15/16 - Blue

SanDiskBest Buy5yrSATA SSD
5.0(7)
1,000 / 950MB/s

Capacity

2 TB

Price

$229.99

$/GB

$0.115

56

Crucial - BX500 2TB Internal SSD SATA

CrucialBest BuySATA SSD
4.6(223)
540 / 500MB/s

Capacity

2 TB

Price

$229.99

$/GB

$0.115

57

Crucial - X10 2TB External USB-C SSD - Blue

CrucialBest Buy3yrSATA SSD
4.8(62)
2,100MB/s

Capacity

2 TB

Price

$238.99

$/GB

$0.119

58

Crucial - X9 Pro 1TB External USB-C SSD - Space Gray

CrucialBest BuySATA SSD
4.7(398)
1,050 / 1,050MB/s

Capacity

1 TB

Price

$119.99

$/GB

$0.120

59

Crucial X9 1TB Portable SSD, Up to 1050MB/s, USB 3.2 USB-C, External Solid State Drive, Compatible with Windows, Mac, & Android, Reliable Storage for Games, Files, & Backups, Black - CT1000X9SSD902

CrucialBest BuySATA SSD
4.6(199)
1,050MB/s

Capacity

1 TB

Price

$119.99

$/GB

$0.120

60

Seagate - 4TB Storage Expansion Card for Xbox Series X|S NVMe SSD - Black

SeagateBest BuyNVMe
4.8(68)

Capacity

4 TB

Price

$479.99

$/GB

$0.120

61

PNY - CS900 2TB Internal SSD SATA

PNYBest Buy3yrSATA SSD
4.8(168)
550 / 530MB/s

Capacity

2 TB

Price

$249.99

$/GB

$0.125

62

Seagate - 2TB Storage Expansion Card for Xbox Series X|S NVMe SSD - Black

SeagateBest BuyNVMe
4.8(2,095)

Capacity

2 TB

Price

$259.99

$/GB

$0.130

63

Crucial - P310 2TB Internal SSD PCIe Gen 4 x4 NVMe M.2

CrucialBest BuyNVMe
4.9(343)
7,100 / 6,000MB/s

Capacity

2 TB

Price

$259.99

$/GB

$0.130

64

Samsung - SSD 9100 PRO 8TB Internal SSD, PCIe 5.0x4 M.2

SamsungBest BuyNVMe
5.0(4)

Capacity

8 TB

Price

$1049.99

$/GB

$0.131

65

Samsung - SSD 9100 PRO with Heatsink 8TB Internal SSD, PCIe 5.0x4 M.2

SamsungBest BuyNVMe
5.0(1)

Capacity

8 TB

Price

$1069.99

$/GB

$0.134

66

PNY - CS900 1TB Internal SSD SATA

PNYBest Buy3yrSATA SSD
4.8(805)
535 / 515MB/s

Capacity

1 TB

Price

$139.99

$/GB

$0.140

67

Samsung - T5 EVO Portable SSD 8TB, Up to 460MB/s , USB 3.2 Gen 1, Ideal use for Gamers & Creators - Black

SamsungBest Buy3yrSATA SSD
4.2(32)
460 / 460MB/s

Capacity

8 TB

Price

$1119.99

$/GB

$0.140

68

Samsung - 990 PRO 4TB Internal SSD PCIe Gen 4x4 NVMe with Heatsink for PS5

SamsungBest BuyNVMe
4.9(398)

Capacity

4 TB

Price

$569.99

$/GB

$0.142

69

Crucial - X10 Pro 1TB USB-C External SSD - Black

CrucialBest BuySATA SSD
4.7(20)
2,100 / 2,000MB/s

Capacity

1 TB

Price

$144.99

$/GB

$0.145

70

SANDISK - Extreme Game Drive for PlayStation5 2TB External USB Type C Portable SSD - White

SanDiskBest BuySATA SSD
5.0(4)

Capacity

2 TB

Price

$289.99

$/GB

$0.145

71

WD - BLACK SN7100 4TB Internal SSD Gen 4 x4 NVMe

Western DigitalBest Buy5yrNVMe
4.8(40)
7,250 / 6,900MB/s

Capacity

4 TB

Price

$589.99

$/GB

$0.147

72

Crucial - X10 Pro 2TB USB-C External SSD - Black

CrucialBest BuySATA SSD
4.6(232)
2,100 / 2,000MB/s

Capacity

2 TB

Price

$295.99

$/GB

$0.148

73

Crucial - BX500 1TB Internal SSD SATA

CrucialBest BuySATA SSD
4.9(333)
540 / 500MB/s

Capacity

1 TB

Price

$149.99

$/GB

$0.150

74

Crucial - P310 1TB Internal SSD PCIe Gen 4 x4 NVMe M.2

CrucialBest BuyNVMe
4.9(401)
7,100 / 6,000MB/s

Capacity

1 TB

Price

$149.99

$/GB

$0.150

75

SANDISK - Extreme Portable 2TB External USB-C NVMe SSD - Monterey

SanDiskBest Buy5yrSATA SSD
4.8(2,443)
1,050 / 1,000MB/s

Capacity

2 TB

Price

$299.99

$/GB

$0.150

76

SANDISK - 2TB External USB 3.2 Gen 2 Type C Portable SSD - Black

SanDiskBest Buy3yrSATA SSD
4.7(84)
800MB/s

Capacity

2 TB

Price

$299.99

$/GB

$0.150

77

SANDISK - WD Blue SN5100 2TB Internal SSD PCIe Gen 4 x4 NVMe for laptops and desktops'

Western DigitalBest Buy5yrNVMe
5.0(3)
7,100 / 6,700MB/s

Capacity

2 TB

Price

$299.99

$/GB

$0.150

78

SANDISK - 2TB External USB 3.2 Gen 2 Type C Portable SSD - Gray

SanDiskBest Buy3yrSATA SSD
4.7(84)
800MB/s

Capacity

2 TB

Price

$299.99

$/GB

$0.150

79

CORSAIR - EX400U USB4 2TB External Portable SSD - Gray

CorsairBest Buy3yrSATA SSD
5.0(3)
4,000 / 3,600MB/s

Capacity

2 TB

Price

$299.99

$/GB

$0.150

80

WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe

Western DigitalBest Buy5yrNVMe
4.9(499)
7,300 / 6,600MB/s

Capacity

4 TB

Price

$599.99

$/GB

$0.150

81

SANDISK - Creator Pro 2TB Portable SSD - Blue

SanDiskBest Buy5yrSATA SSD
2,000 / 2,000MB/s

Capacity

2 TB

Price

$309.99

$/GB

$0.155

82

Seagate - 1TB Storage Expansion Card for Xbox Series X|S NVMe SSD - Black

SeagateBest BuyNVMe
4.8(4,852)

Capacity

1 TB

Price

$159.99

$/GB

$0.160

83

Samsung - 990 PRO 2TB Internal SSD PCIe Gen 4x4 NVMe with Heatsink for PS5

SamsungBest BuyNVMe
4.9(918)

Capacity

2 TB

Price

$319.99

$/GB

$0.160

84

Samsung - 990 EVO PLUS SSD 1TB, PCIe Gen 4x4 | 5x2 M.2 2280, Speeds Up to 7,150 MB/s

SamsungBest BuyNVMe
4.9(340)
7,150 / 6,300MB/s

Capacity

1 TB

Price

$164.99

$/GB

$0.165

85

Samsung - 990 EVO PLUS SSD 2TB, PCIe Gen 4x4 | 5x2 M.2 2280, Speeds Up to 7,250 MB/s

SamsungBest BuyNVMe
4.9(558)
7,250 / 6,300MB/s

Capacity

2 TB

Price

$329.99

$/GB

$0.165

86

Samsung - 990 EVO PLUS SSD 4TB, PCIe Gen 4x4 | 5x2 M.2 2280, Speeds Up to 7,250 MB/s

SamsungBest BuyNVMe
4.8(277)
7,250 / 6,300MB/s

Capacity

4 TB

Price

$664.99

$/GB

$0.166

87

Samsung - T7 2TB External USB 3.2 Gen 2 Portable SSD with Hardware Encryption - Titan Gray

SamsungBest Buy3yrSATA SSD
4.9(3,871)
1,050 / 1,000MB/s

Capacity

2 TB

Price

$339.99

$/GB

$0.170

88

Samsung - T7 4TB External USB 3.2 Gen 2 Portable SSD with Hardware Encryption - Titan Gray

SamsungBest Buy3yrSATA SSD
4.9(3,871)
1,050 / 1,000MB/s

Capacity

4 TB

Price

$679.99

$/GB

$0.170

89

SANDISK - Extreme Portable 2TB External USB-C NVMe SSD - Black

SanDiskBest Buy5yrSATA SSD
4.8(2,443)
1,050 / 1,000MB/s

Capacity

2 TB

Price

$349.99

$/GB

$0.175

90

WD - BLACK SN770M 2TB Internal SSD PCIe Gen 4 x4 M.2 2230 for ROG Ally and Steam Deck

Western DigitalBest Buy5yrNVMe
4.8(352)
5,150 / 4,850MB/s

Capacity

2 TB

Price

$349.99

$/GB

$0.175

91

SANDISK - 1TB External USB 3.2 Gen 2 Type C Portable SSD - Gray

SanDiskBest Buy3yrSATA SSD
4.3(15)
800MB/s

Capacity

1 TB

Price

$179.99

$/GB

$0.180

92

Samsung - 870 EVO 2TB Internal SSD SATA

SamsungBest Buy3yrSATA SSD
4.9(1,046)
560 / 530MB/s

Capacity

2 TB

Price

$359.99

$/GB

$0.180

93

WD - BLACK SN7100 2TB Internal SSD Gen 4 x4 NVMe

Western DigitalBest Buy5yrNVMe
4.9(159)
7,250 / 6,900MB/s

Capacity

2 TB

Price

$359.99

$/GB

$0.180

94

Samsung - 870 EVO 4TB Internal SSD SATA

SamsungBest Buy3yrSATA SSD
4.8(247)
560 / 530MB/s

Capacity

4 TB

Price

$719.99

$/GB

$0.180

95

WD - BLACK SN850X 2TB Internal SSD PCIe Gen 4 x4 NVMe

Western DigitalBest Buy5yrNVMe
4.9(941)
7,300 / 6,600MB/s

Capacity

2 TB

Price

$369.99

$/GB

$0.185

96

SANDISK - Extreme Portable 8TB External USB-C NVMe SSD - Black

SanDiskBest Buy5yrSATA SSD
4.6(614)
1,050 / 1,000MB/s

Capacity

8 TB

Price

$1494.99

$/GB

$0.187

97

Samsung - T7 1TB External USB 3.2 Gen 2 Portable SSD with Hardware Encryption - Titan Gray

SamsungBest Buy3yrSATA SSD
4.9(3,871)
1,050 / 1,000MB/s

Capacity

1 TB

Price

$189.99

$/GB

$0.190

98

CORSAIR - MP600 PRO LPX 2TB Internal SSD PCIe Gen 4 x4 NVMe with Heatsink for PS5

CorsairBest BuyNVMe
5.0(14)

Capacity

2 TB

Price

$379.99

$/GB

$0.190

99

CORSAIR - MP600 PRO LPX 2TB Internal SSD PCIe Gen 4 x4 NVMe with Heatsink for PS5

CorsairBest BuyNVMe
4.9(645)

Capacity

2 TB

Price

$379.99

$/GB

$0.190

100

WD - Blue SA510 1TB Internal SSD SATA

Western DigitalBest Buy5yrSATA SSD
4.6(1,123)
560 / 520MB/s

Capacity

1 TB

Price

$194.99

$/GB

$0.195

Buy Cheap Hard Drives: Find the Best Deals in 2026

Looking to buy cheap hard drives? You're in the right place. BuyPerUnit compares 1000+ hard drives, SSDs, and NVMe drives ranked by price per gigabyte — the only metric that truly shows you which drives offer the best value for your money.

Right now, the cheapest storage starts at just $0.020/GB, while the average across all drives is $0.101/GB. Whether you need bulk storage for backups or a fast NVMe for gaming, we help you find the best deal.

How to Buy Cheap Hard Drives (Without Getting Ripped Off)

1. Compare Price Per GB

A $150 4TB drive ($0.037/GB) beats a $70 1TB drive ($0.07/GB) in value. Always divide price by capacity to find the real cost.

2. Bigger = Cheaper Per GB

Storage follows economies of scale. 4TB+ drives almost always have the lowest price per gigabyte. Buy more capacity upfront to save long-term.

3. HDD vs SSD Tradeoff

HDDs are 2-5x cheaper per GB but much slower. Use HDDs for bulk storage (movies, backups) and SSDs for your OS and games.

4. Watch for Sales

Hard drive prices fluctuate. We update prices daily so you can catch the best deals. Bookmark this page and check back regularly.

Cheap Hard Drives vs Cheap SSDs: Which Should You Buy?

TypeTypical $/GBSpeedBest For
HDD$0.015-0.02580-160 MB/sBulk storage, backups, media libraries
SATA SSD$0.05-0.10500-550 MB/sOS drive, general use, laptops
NVMe SSD$0.04-0.123,000-7,000 MB/sGaming, video editing, fast boot

Frequently Asked Questions About Buying Cheap Hard Drives

What is the cheapest hard drive per GB right now?
The cheapest storage per gigabyte is currently $0.0200/GB. Large capacity HDDs (6TB+) typically offer the lowest price per gigabyte, while NVMe SSDs have become increasingly affordable with many models under $0.05/GB.
Should I buy a cheap HDD or spend more on an SSD?
It depends on your use case. For bulk storage (movies, backups, archives), a cheap HDD makes sense. For your operating system, frequently used programs, and games, an SSD is worth the extra cost — the speed difference is dramatic (10-50x faster).
Is it better to buy one large hard drive or multiple smaller ones?
One large drive is almost always cheaper per GB. However, multiple drives provide redundancy — if one fails, you don't lose everything. For important data, consider buying two drives and keeping backups on both.
When is the best time to buy cheap hard drives?
Black Friday, Cyber Monday, and Amazon Prime Day typically have the best deals. However, prices fluctuate year-round. We update our rankings daily so you can always find the current best value.
What brands make the cheapest reliable hard drives?
For HDDs, Seagate and Western Digital dominate the budget market. For SSDs, brands like Crucial, Kingston, Silicon Power, and TeamGroup offer excellent value. Samsung and WD Black are pricier but offer top-tier performance.

How We Find the Cheapest Hard Drives

BuyPerUnit calculates the price per gigabyte for every hard drive, SSD, and NVMe drive by dividing the current price by the storage capacity. This gives you the true cost of storage, making it easy to compare products of different sizes.

Products are ranked from best value (lowest $/GB) to worst. We update prices regularly from Amazon to ensure you always see current deals. Click any product to view the latest price and purchase directly.

BuyPerUnit is an affiliate site. We earn a commission when you purchase through our links at no extra cost to you.

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