As of April 2026, the cheapest 500GB hard drives (hdd) on BuyPerUnit costs $0.0508/GB — a TOSHIBA Toshiba DT01ACA050 3.5 Inch SATA III Internal Hard Drive 500GB 7200RPM (500 GB) available at Amazon for $25.38. BuyPerUnit tracks 45 500GB hard drives (hdd) across Amazon, Best Buy, and Newegg, updated daily.

500GB Hard Drives (HDD)

45 500GB products ranked by price per gigabyte. Best value: $0.0508/GB

Products

45

Best $/GB

$0.0508

Highest $/GB

$1.4937

Show:
Click the bell to set a price alert
1

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

TOSHIBAAmazonHDD

Capacity

500 GB

Price

$25.38

$/GB

$0.051

Check Price at Amazon
2

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

MaxoneAmazon3yrHDD

Capacity

500 GB

Price

$27.99

$/GB

$0.056

Check Price at Amazon
3

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

NRICOAmazon2yrHDD

Capacity

500 GB

Price

$28.49

$/GB

$0.057

Check Price at Amazon
4

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

$28.99

$/GB

$0.058

Check Price at Amazon
5

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

$28.99

$/GB

$0.058

Check Price at Amazon
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

Check Price at Amazon
7

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

$30.99

$/GB

$0.062

Check Price at Amazon
8

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

Check Price at Amazon
9

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

$31.12

$/GB

$0.062

Check Price at Amazon
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

$31.91

$/GB

$0.064

Check Price at Amazon
11

Maxone 500GB Ultra Slim Portable External Hard Drive HDD USB 3.0 Compatible with PC, Laptop - Rose Pink

MaxoneAmazonHDD

Capacity

500 GB

Price

$31.99

$/GB

$0.064

Check Price at Amazon
12

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
13

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

MaxoneAmazonHDD

Capacity

500 GB

Price

$34.39

$/GB

$0.069

Check Price at Amazon
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

$35.99

$/GB

$0.072

Check Price at Amazon
15

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

$44.99

$/GB

$0.090

Check Price at Amazon
16

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

$47.88

$/GB

$0.096

Check Price at Amazon
17

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

$54.00

$/GB

$0.108

Check Price at Amazon
18

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

NEXTBest Buy1yrmicroSD
4.9(10)

Capacity

512 GB

Price

$99.99

$/GB

$0.195

Check Price at Best Buy
19

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
20

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
21

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
22

SanDisk Extreme 512GB Secure Digital Extended Capacity (SDXC) Flash Card Model SDSDXVV-512G-GNCIN

SanDiskNeweggHDD

Capacity

512GB

Price

$122.99

$/GB

$0.240

Check Price at Newegg
23

SanDisk SDSQXA1-512G-GN6MN MAS 512GB 8pin microSDXC r160MB/s w90MB/s C10 U3 V30 A2 UHS-I SanDisk Extreme microSDXC Memory Card w/o Adapter Retail

SanDiskNeweggHDD

Capacity

512GB

Price

$129.55

$/GB

$0.253

Check Price at Newegg
24

500GB ST3500630AV 7200 RPM PATA/IDE/EIDE 3.5' Hard Drive for PC CCTV DVR

NeweggHDD

Capacity

500GB

Price

$138.00

$/GB

$0.276

Check Price at Newegg
25

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

SanDiskBest BuymicroSD
4.9(593)

Capacity

512 GB

Price

$149.99

$/GB

$0.293

Check Price at Best Buy
26

[SanDisk] SD Card 512GB SDXC Class10 UHS-I U3 V30 SanDisk Extreme SDSDXVV-512G-GHJIN New Package

SanDiskNeweggHDD

Capacity

512GB

Price

$149.99

$/GB

$0.293

Check Price at Newegg
27

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

SanDiskBest BuymicroSD
4.9(693)

Capacity

512 GB

Price

$159.99

$/GB

$0.312

Check Price at Best Buy
28

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

SanDiskBest BuymicroSD
4.9(111)

Capacity

512 GB

Price

$159.99

$/GB

$0.312

Check Price at Best Buy
29

SanDisk Extreme Pro 512GB SDXC UHS-I/U3 V30 Memory Card, Speed Up to 170MB/s (SDSDXXY-512G-GN4IN)

SanDiskNeweggHDD

Capacity

512GB

Price

$160.50

$/GB

$0.313

Check Price at Newegg
30

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
31

SANDISK - 512GB microSDXC UHS-I for Nintendo Switch 1 Pokémon

SanDiskBest BuymicroSD
4.8(22)

Capacity

512 GB

Price

$179.99

$/GB

$0.352

Check Price at Best Buy
32

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

SanDiskBest BuymicroSD
4.8(106)

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
4.8(4)

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

Capacity

512 GB

Price

$179.99

$/GB

$0.352

Check Price at Best Buy
35

SABRENT Rocket CFX 512GB CFexpress Type B Memory Card R1700MB/s W1500MB/s (CF-XTBT-512)

SabrentNeweggHDD

Capacity

512GB

Price

$194.99

$/GB

$0.381

Check Price at Newegg
36

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
37

Samsung - Pro Ultimate and Adapter 512GB microSDXC Memory Card

SamsungBest Buy10yrmicroSD
4.8(146)

Capacity

512 GB

Price

$199.99

$/GB

$0.391

Check Price at Best Buy
38

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
39

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
40

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

SanDiskBest BuymicroSD
4.9(12)

Capacity

512 GB

Price

$249.99

$/GB

$0.488

Check Price at Best Buy
41

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
42

SABRENT Rocket CFX 512GB CFexpress Type B Memory Card 2-Pack, R1700MB/s W1500MB/s (CF-XTBT-512X2)

SabrentNeweggHDD

Capacity

512GB

Price

$376.99

$/GB

$0.736

Check Price at Newegg
43

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
44

SABRENT Rocket v90 512GB SD UHS-II Memory Card R280MB/s W250MB/s (SD-TL90-512GB)

SabrentNeweggHDD

Capacity

512GB

Price

$584.99

$/GB

$1.143

Check Price at Newegg
45

SanDisk Extreme Pro - Flash memory card - 512 GB - Video Class V90 / UHS-II U3 / Class10 - 1733x/2000x - SDXC UHS-II

SanDiskNeweggHDD

Capacity

512GB

Price

$764.75

$/GB

$1.494

Check Price at Newegg
Compare 0 products
Compare

About 500GB Hard Drives (HDD)

Compare all 500GB hard drives (hdd) sorted by price per gigabyte. BuyPerUnit tracks 45 products in the 500GB capacity range to help you find the best storage deals. Prices range from $0.0508/GB to $1.4937/GB.

Other Capacities

Submit a Better Deal

Help others save money

Report an Issue

Help us keep data accurate