As of May 2026, the cheapest 500GB hard drives (hdd) on BuyPerUnit costs $0.0469/GB — a Seagate Seagate Constellation.2 500GB 7200RPM SATA 6 Gb/s 64MB Cache 2.5-Inch Internal Bare Drive ST9500620NS (500 GB) available at Amazon for $23.45. BuyPerUnit tracks 42 500GB hard drives (hdd) across Amazon, Best Buy, and Newegg, updated daily.

500GB Hard Drives (HDD)

42 500GB products ranked by price per gigabyte. Best value: $0.0469/GB

Products

42

Best $/GB

$0.0469

Highest $/GB

$0.8958

Ranked by:$/GB
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1

Seagate Constellation.2 500GB 7200RPM SATA 6 Gb/s 64MB Cache 2.5-Inch Internal Bare Drive ST9500620NS

SeagateAmazon3yrHDD

Capacity

500 GB

Price

$23.45

$/GB

$0.047

Check Price at Amazon
2

Avolusion M2 500GB USB 3.0 Portable External Hard Drive (for Windows, MacOS, Xbox, PS)

AvolusionAmazon2yrHDD

Capacity

500 GB

Price

$23.99

$/GB

$0.048

Check Price at Amazon
3

Caraele 500GB Portable External Hard Drive USB3.0 Mobile HDD Storage for PC, Mac, Desktop, Laptop, Mac, Chromebook, Xbox One, Xbox 360, PS4 (Black)

CaraeleAmazon1yrHDD

Capacity

500 GB

Price

$27.99

$/GB

$0.056

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4

Caraele 500GB Ultra Slim Portable External Hard Drive USB3.0 HDD Storage Compatible for PC, Desktop, Laptop, MacBook, Chromebook, Xbox One, Xbox 360, PS4 (Black)

CaraeleAmazon1yrHDD

Capacity

500 GB

Price

$27.99

$/GB

$0.056

Check Price at Amazon
5

NRICO Ultra Slim 500GB Portable External Hard Drive USB3.0 HDD Storage Compatible for PC, Desktop, Laptop,Mac,PS4, Xbox one (Black, 500, GB)

NRICOAmazon3yrHDD

Capacity

500 GB

Price

$28.99

$/GB

$0.058

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6

NRICO 500GB Portable External Hard Drive USB 3.0 HDD 2.5inch Storage Compatible for PC, Mac, Desktop,PS4 (500GB, Grey)

NRICOAmazon3yrHDD

Capacity

500 GB

Price

$29.99

$/GB

$0.060

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7

NRICO Portable External Hard Drive, USB 3.0, 2.5 Inch, Compatible with PC, Mac, Desktop (Blue, 500, GB)

NRICOAmazon2yrHDD

Capacity

500 GB

Price

$29.99

$/GB

$0.060

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8

MDD MAXDIGITALDATA 500GB 5900RPM 16MB Cache SATA 3.0Gb/s 3.5-inch Surveillance Hard Drive - 3 Year Warranty

MDD MAXDIGITALDATAAmazon3yrHDD

Capacity

500 GB

Price

$29.99

$/GB

$0.060

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9

Ezekers Portable 500GB External Hard Drive - USB 3.0 & USB C for PC, Mac, PS5 (Storage Only), PS4, Phone (Android and iPhone 15/16/17) & Xbox - Ultra Fast

ezekersAmazonHDD

Capacity

500 GB

Price

$30.99

$/GB

$0.062

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10

ModusTech 500GB Portable External Hard Drive USB 3.0/Type-C – Slim High-Speed HDD for Backup, Storage, Gaming – Compatible with PC, Mac, Laptop, PS4, PS5, Xbox, Windows, MacBook, Smart TV (Black)

ModusTechAmazon1yrHDD

Capacity

500 GB

Price

$32.91

$/GB

$0.066

Check Price at Amazon
11

Kosbees 500 GB External Hard Drives,Portable Hard Drive for Windows,Ultra Slim External HDD Store Compatible with PC, MAC,Laptop,PS4, Xbox one, Xbox 360;Plug and Play Ready

KosbeesAmazonHDD

Capacity

500 GB

Price

$32.99

$/GB

$0.066

Check Price at Amazon
12

Toshiba DT01ACA050 3.5 Inch SATA III Internal Hard Drive 500GB 7200RPM

TOSHIBAAmazonHDD

Capacity

500 GB

Price

$33.88

$/GB

$0.068

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13

YOTUO Portable External Hard Drive Storage Expansion Mobile HDD USB 3.0 for PC, Mac, Desktop, Laptop, PS4, PS5, Xbox One X/S, Xbox 360, Xbox Series X/S, Office & Game (Blue, 500GB)

YOTUOAmazonHDD

Capacity

500 GB

Price

$35.14

$/GB

$0.070

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14

YOTUO Portable External Hard Drive Storage Expansion Mobile HDD USB 3.0 for PC, Mac, Desktop, Laptop, PS4, PS5, Xbox One X/S, Xbox 360, Xbox Series X/S, Office & Game (Black, 500GB)

YOTUOAmazonHDD

Capacity

500 GB

Price

$35.14

$/GB

$0.070

Check Price at Amazon
15

Maxone 500GB Ultra Slim Portable External Hard Drive HDD USB 3.0 Compatible with PC, Laptop, Charcoal Grey

MaxoneAmazonHDD

Capacity

500 GB

Price

$35.59

$/GB

$0.071

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16

UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 for PC, Mac, Laptop, PS4, Xbox one, Xbox 360-(Black)

UnionSineAmazonHDD

Capacity

500 GB

Price

$35.73

$/GB

$0.071

Check Price at Amazon
17

UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 for PC, Mac, Laptop, PS4, Xbox one, Xbox 360-(Pink)

UnionSineAmazonHDD

Capacity

500 GB

Price

$35.73

$/GB

$0.071

Check Price at Amazon
18

Aiolo Innovation 500GB External Hard Drive Ultra Slim Portable HDD-USB 3.0 for PC, Mac, Laptop, PS4, Xbox one,Xbox 360 HD-A4

Aiolo InnovationAmazonHDD

Capacity

500 GB

Price

$36.58

$/GB

$0.073

Check Price at Amazon
19

WD Blue 500GB Desktop Hard Disk Drive - 7200 RPM SATA 6 Gb/s 16MB Cache 3.5 Inch - WD5000AAKX

Western DigitalAmazonHDD

Capacity

500 GB

Price

$45.99

$/GB

$0.092

Check Price at Amazon
20

WD Blue 500GB Desktop Hard Disk Drive - 7200 RPM Class SATA 6Gb/s 32MB Cache 3.5 Inch - WD5000AZLX

Western DigitalAmazon2yrHDD

Capacity

500 GB

Price

$47.99

$/GB

$0.096

Check Price at Amazon
21

Western Digital Blue WD5000AZLX 500GB 7200 RPM 32MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive

Western DigitalAmazonHDD

Capacity

500 GB

Price

$49.99

$/GB

$0.100

Check Price at Amazon
22

SANDISK - Ultra PLUS 512GB microSDXC UHS-I Memory Card

SanDiskBest BuymicroSD
4.9(184)

Capacity

512 GB

Price

$55.99

$/GB

$0.109

Check Price at Best Buy
23

NEXT - Express 512GB microSD PCIe 3.1 NVMe UHS-I Memory Card works with Nintendo Switch 2

NEXTBest Buy1yrmicroSD
4.9(14)

Capacity

512 GB

Price

$99.99

$/GB

$0.195

Check Price at Best Buy
24

Super Talent PS302 512GB Portable External SSD, USB 3.2 Gen 2, Up to 1050MB/s, 2-in-1 Type C & Type A, Plug & Play, Compatible with Android, Mac, Windows, Supports 4K, Drop-Proof, FUS512302, Gray

Super TalentAmazon3yrHDD

Capacity

512 GB

Price

$109.99

$/GB

$0.215

Check Price at Amazon
25

Lexar 512GB Play PRO microSD Express Card, UHS-I, C10, U3, V30, Full HD, 4K, Up to 900/600 MB/s Memory Card, Compatible w/Nintendo-Switch 2, ASUS ROG Ally, Steam Deck, Gaming (LMSXPS0512G-BNNNU)

LexarAmazonmicroSD

Capacity

512 GB

Price

$114.99

$/GB

$0.225

Check Price at Amazon
26

IBM 00Na611 600Gb 10000Rpm 2.5Inch Sas6Gbps G3 Hot Swap Hard Drive With Tray-00Na611

IBMNeweggHDD

Capacity

600GB

Price

$139.00

$/GB

$0.232

Check Price at Newegg
27

Seagate Constellation 500 GB 7200RPM SATA 3Gb/s 32 MB Cache 2.5 Inch Internal Hard Drive - Bare Drive ST9500530NS

SeagateAmazon5yrHDD

Capacity

500 GB

Price

$119.00

$/GB

$0.238

Check Price at Amazon
28

SANDISK - Extreme PLUS 512GB SDHC/SDXC UHS-I Memory Card

SanDiskBest BuymicroSD
4.9(114)

Capacity

512 GB

Price

$127.99

$/GB

$0.250

Check Price at Best Buy
29

SANDISK - 512GB microSDXC UHS-I Memory Card for Nintendo Switch 1

SanDiskBest BuymicroSD
4.9(595)

Capacity

512 GB

Price

$149.99

$/GB

$0.293

Check Price at Best Buy
30

Lexar 512GB Play PRO microSD Express Card, UHS-I, C10, U3, V30, Full HD, 4K, Up to 900/600 MB/s Memory Card, Compatible w/Nintendo-Switch 2, ASUS ROG Ally, Steam Deck, Gaming (LMSXPS0512G-BNNNU)

LexarBest BuymicroSD

Capacity

512 GB

Price

$149.99

$/GB

$0.293

Check Price at Best Buy
31

Ibm 00Na597 500Gb 7200Rpm Sata 6Gbps Nl 2.5Inch G3ss Hard Drive With Tray

IbmNeweggHDD

Capacity

500GB

Price

$169.00

$/GB

$0.338

Check Price at Newegg
32

SANDISK - Express 512GB microSD PCIe 3.1 NVMe UHS-I Memory Card works with Nintendo Switch 2

SanDiskBest BuymicroSD
4.9(109)

Capacity

512 GB

Price

$179.99

$/GB

$0.352

Check Price at Best Buy
33

SANDISK - Extreme PLUS 512GB microSDXC UHS-I Memory Card

SanDiskBest BuymicroSD
4.9(9)

Capacity

512 GB

Price

$179.99

$/GB

$0.352

Check Price at Best Buy
34

SANDISK - Extreme PLUS 512GB SDHC/SDXC UHS-I Memory Card

SanDiskBest BuymicroSD
5.0(1)

Capacity

512 GB

Price

$179.99

$/GB

$0.352

Check Price at Best Buy
35

SANDISK - 512GB MicroSD Card for ROG Xbox Ally (X)

SanDiskBest BuymicroSD
3.7(3)

Capacity

512 GB

Price

$199.99

$/GB

$0.391

Check Price at Best Buy
36

Samsung - Pro Ultimate and Adapter 512GB microSDXC Memory Card

SamsungBest Buy10yrmicroSD
4.8(149)

Capacity

512 GB

Price

$199.99

$/GB

$0.391

Check Price at Best Buy
37

Samsung - Pro Ultimate and Reader 512GB microSDXC Memory Card

SamsungBest Buy10yrmicroSD
4.8(54)

Capacity

512 GB

Price

$203.99

$/GB

$0.398

Check Price at Best Buy
38

Samsung - microSDXC T7 512GB, Transfer Speeds Up to 170 MB/s (MB-MB512T/WW)

SamsungBest Buy3yrmicroSD

Capacity

512 GB

Price

$226.99

$/GB

$0.443

Check Price at Best Buy
39

SANDISK - Extreme Pro 512GB SDXC UHS-I National Parks

SanDiskBest BuymicroSD
4.9(13)

Capacity

512 GB

Price

$249.99

$/GB

$0.488

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40

Samsung - microSDXC T9 512GB, Read/Write Speeds Up to 200/130 MB/s (MB-MH512T/WW)

SamsungBest Buy3yrmicroSD

Capacity

512 GB

Price

$283.99

$/GB

$0.555

Check Price at Best Buy
41

Lexar - Professional GOLD CFexpress 4.0 Type A 512 GB

LexarBest BuymicroSD

Capacity

512 GB

Price

$349.99

$/GB

$0.684

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42

SANDISK - 512GB Extreme PRO CFexpress Memory Card Type B

SanDiskBest BuymicroSD
4.5(42)

Capacity

512 GB

Price

$449.99

$/GB

$0.879

Check Price at Best Buy
43

Sony - CEA-G480T

SonyBest Buy5yrmicroSD
5.0(4)

Capacity

480 GB

Price

$429.99

$/GB

$0.896

Check Price at Best Buy
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About 500GB Hard Drives (HDD)

Compare all 500GB hard drives (hdd) sorted by price per gigabyte. BuyPerUnit tracks 42 products in the 500GB capacity range to help you find the best storage deals. Prices range from $0.0469/GB to $0.8958/GB.

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