Seagate Cheetah 15K.7 ST3300557SS vs Comparable 3.5" SAS Hard Disks
Item 4205: Seagate ST3300557SS
Size300 GB
Cache16 MB
RPM15000
Form Factor3.5"
InterfaceSAS
Speed6 Gb/s
$ 499.99 + $7.28 shipping
$ 549.95
Disk Interface RPM Cache (MB) Size (GB) Warranty Years Best Price Vendor Value (GB/$)
Seagate Constellation ES ST32000445SS SAS 6 Gb/s 16 2000 359.99 5.56
Seagate Constellation ES ST1000NM0021 SAS 6 Gb/s 7200 64 1000 189.99 5.26
Toshiba MK2001TRKB SAS 6 Gb/s 7200 16 2000 409.99 4.88
Seagate Constellation ES ST32000444SS SAS 6 Gb/s 7200 16 2000 5 440.00 4.55
HP Midline 461137-B21 SAS 3 Gb/s 7200 1000 220.00 4.55
Seagate Constellation ES ST31000424SS SAS 6 Gb/s 7200 16 1000 5 385.00 2.60
Cisco R200-D1TC= SAS 7200 1000 552.99 1.81
Seagate Barracuda ES.2 ST3750630SS SAS 3 Gb/s 7200 16 750 448.64 1.67
HP 454232-B21 SAS 3 Gb/s 15000 450 299.00 1.51
Seagate Cheetah NS ST3400755SS SAS 3 Gb/s 10000 16 400 275.00 1.45
Seagate Cheetah NS.2 ST3450802SS SAS 6 Gb/s 10000 16 450 340.00 1.32
HP P2000 AP858A SAS 6 Gb/s 15000 500 420.00 1.19
Seagate Cheetah 15K.7 ST3450857SS SAS 6 Gb/s 15000 16 450 378.02 1.19
HP Enterprise 516828-B21 SAS 6 Gb/s 15000 600 551.80 1.09
HP 416127-B21 SAS 3 Gb/s 15000 300 299.99 1.00
HP P2000 AP859A SAS 6 Gb/s 15000 450 450.00 1.00
HP Entry 516816-B21 SAS 6 Gb/s 15000 450 463.00 0.97
Seagate Cheetah 15K.5 ST3300655SS SAS 3 Gb/s 15000 16 300 3 314.99 0.95
Seagate Cheetah 15K.6 ST3300656SS SAS 3 Gb/s 15000 16 300 324.95 0.92
Seagate Cheetah 15K.6 ST3450856SS SAS 3 Gb/s 15000 16 450 498.95 0.90
Fujitsu 3.5" SAS MBA3300RC SAS 3 Gb/s 15000 16 300 355.00 0.85
HP StorageWorks MSA2 AJ737A SAS 3 Gb/s 15000 450 535.99 0.84
HP Entry 516814-B21 SAS 6 Gb/s 15000 300 375.00 0.80
Seagate Cheetah 15K.7 ST3300657SS SAS 6 Gb/s 15000 16 300 395.00 0.76
HP Entry 516824-B21 SAS 6 Gb/s 15000 300 451.99 0.66
Seagate Cheetah 15K.7 ST3300557SS SAS 6 Gb/s 15000 16 300 499.99 0.60

Price History

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Recent Price Changes

2012-02-08 $549.95 +286.35
2012-02-07 $263.60 -286.35
2012-02-02 $549.95 +86.96
2012-02-01 $462.99 +64.04
2012-01-30 $398.95 +124.86
2012-01-30 $274.09 +2.60
2012-01-30 $271.49 -1.75
2012-01-29 $273.24 -3.50
2012-01-29 $276.74 -122.21
2012-01-27 $398.95 +48.90

Manufacturer's Specs

General
Interface6-Gb/s SAS
Cache16MB
Capacity300GB
Performance
Random write seek time3.9ms
Average latency2.0ms
Spindle Speed15,000 RPM
Random read seek time3.4ms
Power
Maximum start current, AC3.98
Maximum start current, DC1.92
Reliability
Annual Failure Rate0.55%
MTBF1,600,000 hours
Physical
Width101.85mm (4.010 in)
Length146.99mm (5.787 in)
Height26.10mm (1.028 in)
Weight (typical)800g (1.76 lb)

External links

Seagate
http://www.seagate.com/

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