Product comparison · 2 internal hard drives

Origin Storage HDD 1.2TB 3.5in SAS 10000RPM in Hot Swap Caddy vs Seagate Constellation ST91000642SS-RF internal hard drive

Add a product
  • 26specifications compared
  • 16differ
  • 10identical
  • 16known for one product only

Key differences

The Origin Storage HDD 1.2TB 3.5in SAS 10000RPM in Hot Swap Caddy has 0.2 TB more HDD capacity than the Seagate Constellation ST91000642SS-RF internal hard drive (1.2 TB vs 1 TB). The Origin Storage HDD 1.2TB 3.5in SAS 10000RPM in Hot Swap Caddy has 2,800 RPM more HDD speed than the Seagate Constellation ST91000642SS-RF internal hard drive (10000 RPM vs 7200 RPM). The Origin Storage HDD 1.2TB 3.5in SAS 10000RPM in Hot Swap Caddy has 1" more HDD size than the Seagate Constellation ST91000642SS-RF internal hard drive (3.5" vs 2.5"). Only the Seagate Constellation ST91000642SS-RF internal hard drive has refurbished. Operating temperature (T-T): 5 - 55 °C on the Origin Storage HDD 1.2TB 3.5in SAS 10000RPM in Hot Swap Caddy, 5 - 60 °C on the Seagate Constellation ST91000642SS-RF internal hard drive.

  • HDD capacity
    • HDD 1.2TB 3.5in SAS 10000RPM in Hot Swap Caddy:1.2 TB
    • Constellation ST91000642SS-RF internal hard drive:1 TB
  • HDD speed
    • HDD 1.2TB 3.5in SAS 10000RPM in Hot Swap Caddy:10000 RPM
    • Constellation ST91000642SS-RF internal hard drive:7200 RPM
  • HDD size
    • HDD 1.2TB 3.5in SAS 10000RPM in Hot Swap Caddy:3.5"
    • Constellation ST91000642SS-RF internal hard drive:2.5"
  • Storage drive buffer size
    • HDD 1.2TB 3.5in SAS 10000RPM in Hot Swap Caddy:128 MB
    • Constellation ST91000642SS-RF internal hard drive:64 MB
  • Average latency
    • HDD 1.2TB 3.5in SAS 10000RPM in Hot Swap Caddy:2.9 ms
    • Constellation ST91000642SS-RF internal hard drive:4.16 ms
  • Refurbished
    • HDD 1.2TB 3.5in SAS 10000RPM in Hot Swap Caddy:No
    • Constellation ST91000642SS-RF internal hard drive:Yes
  • Mean time between failures (MTBF)
    • HDD 1.2TB 3.5in SAS 10000RPM in Hot Swap Caddy:2000000 h
    • Constellation ST91000642SS-RF internal hard drive:1400000 h
  • Power consumption (typical)
    • HDD 1.2TB 3.5in SAS 10000RPM in Hot Swap Caddy:7.25 W
    • Constellation ST91000642SS-RF internal hard drive:6.35 W

Side by side

Differences highlightedShow differences only (off)
Comparison of IBM-1200SAS/10-S21, ST91000642SS-RF
42 specifications
Features7 differ
HDD capacityDiffers1.2 TB1 TB
HDD speedDiffers10000 RPM7200 RPM
HDD sizeDiffers3.5"2.5"
InterfaceSASSAS
TypeHDDHDD
Component forKnown for oneServer/workstationUnknown — not stated by the source
Hot-swapKnown for oneNoUnknown — not stated by the source
Storage drive buffer sizeDiffers128 MB64 MB
HDD interface transfer rateKnown for one12 Gbit/sUnknown — not stated by the source
Average latencyDiffers2.9 ms4.16 ms
RefurbishedDiffersNoYes
Mean time between failures (MTBF)Differs2000000 h1400000 h
HDD number of headsKnown for oneUnknown — not stated by the source8
Read seek timeKnown for oneUnknown — not stated by the source7.5 ms
Write seek timeKnown for oneUnknown — not stated by the source8.5 ms
Bytes per sectorKnown for oneUnknown — not stated by the source512
Power2 differ
Power consumption (typical)Differs7.25 W6.35 W
Power consumption (idle)Known for one4.26 WUnknown — not stated by the source
Power consumption (read)Known for one6.02 WUnknown — not stated by the source
Power consumption (write)Known for one5.97 WUnknown — not stated by the source
Operating voltage5 V5 V
Start-up currentDiffers0.44 A2 A
Operational conditions4 differ
Operating temperature (T-T)Differs5 - 55 °C5 - 60 °C
Storage temperature (T-T)-40 - 70 °C-40 - 70 °C
Operating relative humidity (H-H)5 - 95%5 - 95%
Storage relative humidity (H-H)5 - 95%5 - 95%
Operating vibration0.5 G0.5 G
Non-operating vibration3 G3 G
Operating altitudeDiffers-304.8 - 3048 m-60.96 - 3048 m
Non-operating altitudeDiffers-304.8 - 12192 m-60.96 - 12192 m
Operating shockDiffers40 G70 G
Non-operating shock400 G400 G
Packaging contentidentical
Storage drive adapter includedKnown for oneNoUnknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers70.1 mm69.8 mm
DepthDiffers100.5 mm100 mm
Height15 mm15 mm
WeightDiffers220 g200 g
Other featuresidentical
Compliance certificatesKnown for oneRoHSUnknown — not stated by the source
Warranty periodKnown for one5 year(s)Unknown — not stated by the source
Data transfer rateKnown for oneUnknown — not stated by the source4.69 Gbit/s
InternalKnown for oneUnknown — not stated by the sourceYes
Plug and PlayKnown for oneUnknown — not stated by the sourceYes

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

More internal hard drive comparisons

All internal hard drive comparisons