Head to head · 2 products

1 TB 3.5" vs 100GB

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

Comparing 2 products
1 TB 3.5"
1 TB 3.5"—Score pending
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Check price
100GB
100GB—Score pending
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Check price
The short verdict

Scores pending

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

1 TB 3.5"
—
100GB
—
Choose the 1 TB 3.5" if
  • Cheaper today ($49.99 vs $55)
Check price at eBay →
Choose the 100GB if
  • Lighter in the hand (102 vs 615 g)
Check price at eBay →
At a glance

Key differences

Measured differences only. Ties and tiny gaps are left out.
Why pick the1 TB 3.5"1 win
−$5.01Cheaper today$49.99 vs $55
Check priceBest price · eBay · check the store for today’s priceCheck price at eBay ↗
Why pick the100GB1 win
−513 gLighter in the hand102 vs 615 g
Check priceBest price · eBay · check the store for today’s priceCheck price at eBay ↗
Full specs

Side-by-side specifications

Battery & charging1 difference
Operating voltage
5 / 12 V
5 V
Design4 differences
Weight
615 g
102 g
Depth
147 mm
100.2 mm
Height
26.1 mm
9.5 mm
Width
101.8 mm
69.8 mm
General6 differences
Capacity
1 TB
100 GB
HDD capacity
1 TB
100 GB
HDD size
3.5"
2.5"
HDD speed
5900 RPM
5400 RPM
Interface
Serial ATA III
Ultra-ATA/100
Manufacturer Sku
ST31000424CS
ST9100828A-RFB

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

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