Shopping Online for Discount Desktop Hard Drives - 3.5 Inch Internal SATA Drives for Desktop PC's

We went shopping online for desktop hard drives, and selected all the discount 3.5 inch internal SATA drives we could find, from 3 of our top computer products discounters. HDD sizes range from 80GB, right up to a massive 1.5TB, and there are savings of up to 40% off retail prices.

To help you find the best value for money hard drive, we've sorted all the products below by the lowest cost per GB of storage space. In most cases, the cost per GB gets lower as the HDD capacity increases - it's always a good idea to go for a larger hard drive than you need right now, it'll give you plenty of future storage capacity and you'll get better value for money.

Buy Discount SATA Hard Drives Online:

Seagate 1.5TB 7200 32MB SATA II Desktop Hard Drives (ST31500341AS)
Store Price: $239.00 > You Save 40% ($160.00) [correct at time of publishing]
Cost Per GB: $0.16
Verified Store Page: DealsDirect
Departments / Categories: Hard Drives

SAMSUNG ELECTRONICS 1PK 1TB SATAII 3.5" 32M (HD103UI)
Store Price: $157.95 > You Save 36% ($88.45) [correct at time of publishing]
Cost Per GB: $0.16
Online Store: factoryfast
Departments / Categories: Internal

Seagate 1TB 7200 32MB SATA II Desktop Hard Drives (ST31000333AS)
Store Price: $169.00 > You Save 37% ($100.00) [correct at time of publishing]
Cost Per GB: $0.17
Verified Store Page: DealsDirect
Departments / Categories: Hard Drives

Western Digital 1TB (1000G) SATA2 Caviar Green (WD10EAVS)
Store Price: $169.00 > You Save 15% ($30.00) [correct at time of publishing]
Cost Per GB: $0.17
Verified Store Page: DealsDirect
Departments / Categories: Hard Drives

Samsung 1TB 7200 HD103UJ Sata Desktop Hard Drives (HD103UJ)
Store Price: $175.00 > You Save 35% ($94.00) [correct at time of publishing]
Cost Per GB: $0.17
Verified Store Page: DealsDirect
Departments / Categories: Hard Drives

WD GREEN POWER CAVIAR 640GB-7200RPM-SATAII-3.5"-16MB CACHE (WD6400AACS)
Store Price: $114.99 > You Save 8% ($10.01) [correct at time of publishing]
Cost Per GB: $0.18
Verified Store Page: TopBuy
Departments / Categories: Hard Drives

Seagate 500GB 7200 16MB SATA II Desktop Hard Drives (ST3500418AS)
Store Price: $95.95 > You Save 36% ($53.05) [correct at time of publishing]
Cost Per GB: $0.19
Verified Store Page: DealsDirect
Departments / Categories: Hard Drives

SAMSUNG ELECTRONICS 1PK 750GB SATAII 3.5" 32M (HD753LJ)
Store Price: $145.95 > You Save 36% ($81.73) [correct at time of publishing]
Cost Per GB: $0.19
Online Store: factoryfast
Departments / Categories: Internal

Western Digital 500G SATA2 Caviar Green (WD5000AACS)
Store Price: $99.95 > You Save 33% ($49.05) [correct at time of publishing]
Cost Per GB: $0.20
Verified Store Page: DealsDirect
Departments / Categories: Hard Drives

SAMSUNG ELECTRONICS 1PK 500GB SATAII 3.5" 16M (HD502HI)
Store Price: $102.95 > You Save 36% ($57.65) [correct at time of publishing]
Cost Per GB: $0.20
Online Store: factoryfast
Departments / Categories: Internal

SAMSUNG ELECTRONICS 1PK 500GB SATAII 3.5" 16MB (HD501LJ)
Store Price: $103.95 > You Save 36% ($58.21) [correct at time of publishing]
Cost Per GB: $0.21
Online Store: factoryfast
Departments / Categories: Internal

SEAGATE CUDA ES 7200.2 1TB SATA 32MB (ST31000340NS)
Store Price: $285.95 > You Save 36% ($160.13) [correct at time of publishing]
Cost Per GB: $0.28
Online Store: factoryfast
Departments / Categories: Internal

SAMSUNG ELECTRONICS 1PK 320GB SATAII 3.5" 16MB (HD322HJ)
Store Price: $92.95 > You Save 36% ($52.05) [correct at time of publishing]
Cost Per GB: $0.29
Online Store: factoryfast
Departments / Categories: Internal

Western Digital 3.5" Caviar Blue 320GB SATAII Hard Drive (3200AAKS)
Store Price: $94.95 > You Save 26% ($34.05) [correct at time of publishing]
Cost Per GB: $0.29
Verified Store Page: DealsDirect
Departments / Categories: Hard Drives

SEAGATE CUDA 7200.10 250GB SATA-II 8MB (ST3250310AS)
Store Price: $76.95 > You Save 36% ($43.09) [correct at time of publishing]
Cost Per GB: $0.30
Online Store: factoryfast
Departments / Categories: Internal

SEAGATE CUDA ES 7200.2 500GB SATA 32MB (ST3500320NS)
Store Price: $177.95 > You Save 36% ($99.65) [correct at time of publishing]
Cost Per GB: $0.35
Online Store: factoryfast
Departments / Categories: Internal

SAMSUNG ELECTRONICS 1PK 160GB SATAII 3.5" 8MB (HD161HJ)
Store Price: $71.95 > You Save 36% ($40.29) [correct at time of publishing]
Cost Per GB: $0.45
Online Store: factoryfast
Departments / Categories: Internal

SEAGATE BARRACUDA ES 7200.2 250GB SATA 32M (ST3250310NS)
Store Price: $115.95 > You Save 36% ($64.93) [correct at time of publishing]
Cost Per GB: $0.46
Online Store: factoryfast
Departments / Categories: Internal

Seagate 80G SATA-2 8M-7200RPM (ST380815AS)
Store Price: $79.99 > You Save 7% ($6.01) [correct at time of publishing]
Cost Per GB: $0.99
Verified Store Page: TopBuy
Departments / Categories: Hard Drives