As of April 2026, the cheapest 16TB+ hard drives (hdd) on BuyPerUnit costs $0.0249/GB — a Western Digital WD 16TB My Book Desktop External Hard Drive, USB 3.0, External HDD with Password Protection and Backup Software - WDBBGB0160HBK-NESN (16 TB) available at Amazon for $399.00. BuyPerUnit tracks 10 16TB+ hard drives (hdd) across Amazon, Best Buy, and Newegg, updated daily.

16TB+ Hard Drives (HDD)

10 16TB+ products ranked by price per gigabyte. Best value: $0.0249/GB

Products

10

Best $/GB

$0.0249

Highest $/GB

$0.0512

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1

WD 16TB My Book Desktop External Hard Drive, USB 3.0, External HDD with Password Protection and Backup Software - WDBBGB0160HBK-NESN

Western DigitalAmazonHDD

Capacity

16 TB

Price

$399.00

$/GB

$0.025

Check Price at Amazon
2

WD 18TB My Book Desktop External Hard Drive, USB 3.0, External HDD with Password Protection and Auto Backup Software - WDBBGB0180HBK-NESN

Western DigitalAmazonHDD

Capacity

18 TB

Price

$463.99

$/GB

$0.026

Check Price at Amazon
3

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

Western DigitalBest Buy2yrHDD
4.6(278)

Capacity

20 TB

Price

$559.99

$/GB

$0.028

Check Price at Best Buy
4

Western Digital 16TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD161KFGX

Western DigitalAmazonHDD

Capacity

16 TB

Price

$449.99

$/GB

$0.028

Check Price at Amazon
5

Seagate IronWolf Pro 28TB Enterprise NAS Internal HDD Hard Drive – CMR 3.5 Inch SATA 6Gb/s 7200 RPM 512MB Cache for RAID Network Attached Storage, Rescue Services (ST28000NT000)

SeagateAmazon5yrHDD

Capacity

28 TB

Price

$789.99

$/GB

$0.028

Check Price at Amazon
6

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

SeagateBest Buy5yrHDD
4.5(8)

Capacity

24 TB

Price

$679.99

$/GB

$0.028

Check Price at Best Buy
7

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

Western DigitalBest Buy2yrHDD
4.5(752)

Capacity

18 TB

Price

$509.99

$/GB

$0.028

Check Price at Best Buy
8

Seagate - IronWolf Pro 16TB NAS Internal Hard Drive with Rescue Data Recovery Services

SeagateBest Buy5yrHDD
4.6(33)

Capacity

16 TB

Price

$459.99

$/GB

$0.029

Check Price at Best Buy
9

WD 44TB My Book Duo Desktop RAID External Hard Drive HDD, USB 3.1, With Password Protection and Auto Backup Software - WDBFBE0440JBK-NESN

Western DigitalAmazon3yrHDD

Capacity

44 TB

Price

$1569.99

$/GB

$0.036

Check Price at Amazon
10

apricorn aegis padlock 16 tb fips 1402 validated 256bit encrypted hard drive adt3pl256f16tb

ApricornNeweggHDD

Capacity

16TB

Price

$818.99

$/GB

$0.051

Check Price at Newegg
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About 16TB+ Hard Drives (HDD)

Compare all 16TB+ hard drives (hdd) sorted by price per gigabyte. BuyPerUnit tracks 10 products in the 16TB+ capacity range to help you find the best storage deals. Prices range from $0.0249/GB to $0.0512/GB.

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