Head to head · 2 products

1.5TB SATA HDD vs 1 TB 3.5"

Verified specs side by side. The green tick marks the better value on each measurable row.

Comparing 2 products
1.5TB SATA HDD
1.5TB SATA HDD—Score pending
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1 TB 3.5"
1 TB 3.5"—Score pending
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The short verdict

Scores pending

We haven’t scored these yet. Use the measured differences and full specs below.

1.5TB SATA HDD
—
1 TB 3.5"
—
Choose the 1.5TB SATA HDD if
  • Lighter in the hand (535 vs 615 g)
Check price at eBay →
Choose the 1 TB 3.5" if
  • Cheaper today ($49.99 vs $159)
Check price at eBay →
At a glance

Key differences

Measured differences only. Ties and tiny gaps are left out.
Why pick the1.5TB SATA HDD1 win
−80 gLighter in the hand535 vs 615 g
Check priceBest price · eBay · check the store for today’s priceCheck price at eBay ↗
Why pick the1 TB 3.5"1 win
−$109Cheaper today$49.99 vs $159
Check priceBest price · eBay · check the store for today’s priceCheck price at eBay ↗
Full specs

Side-by-side specifications

Design3 differences
Weight
535 g
615 g
Height
26 mm
26.1 mm
Width
101 mm
101.8 mm
General5 differences
Capacity
1.5 TB
1 TB
HDD capacity
1.5 TB
1 TB
HDD speed
7200 RPM
5900 RPM
Interface
Serial ATA
Serial ATA III
Manufacturer Sku
ST1500DM003
ST31000424CS

Specs verified against manufacturer data. Prices in USD before tax; we may earn a commission from qualifying purchases.

Community

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