Seagate Momentus 7200.4 ST9500420AS vs Comparable 2.5" SATA Hard Disks
Item 1541: Seagate ST9500420AS
Size500 GB
Cache16 MB
RPM7200
Form Factor2.5"
InterfaceSATA
Speed3 Gb/s
ST9500420AS Reviews6 (avg: 4.5/5)
$ 109.99
Disk Interface RPM Cache (MB) Size (GB) Warranty Years Best Price Vendor Value (GB/$)
Western Digital Scorpio Blue WD10TPVT SATA 3 Gb/s 5200 8 1000 3 85.99 11.63
Toshiba MK6465GSXW SATA 3 Gb/s 5400 8 640 59.99 10.67
Toshiba MKxx59GSM Series MK1059GSM SATA 3 Gb/s 5400 8 1000 99.99 10.00
Hitachi Travelstar 5K1000 0J22413 SATA 6 Gb/s 5400 8 1000 102.00 9.80
Toshiba MK6459GSX SATA 5400 650 3 69.99 9.29
Western Digital Scorpio Blue WD7500BPVT SATA 3 Gb/s 5400 8 750 3 81.99 9.15
Western Digital Scorpio Blue WD10JPVT SATA 3 Gb/s 5400 8 1000 110.00 9.09
Samsung Spinpoint M8 HN-M750MBB SATA 3 Gb/s 5400 8 750 84.00 8.93
Western Digital Scorpio Blue WD6400BPVT SATA 3 Gb/s 5400 8 640 3 74.99 8.53
Toshiba HDD2K12 SATA 3 Gb/s 5400 8 750 3 89.99 8.33
Toshiba HDD2J92 SATA 3 Gb/s 5400 8 640 79.99 8.00
Samsung HN-M640MBB SATA 3 Gb/s 8 640 84.61 7.56
Seagate Momentus ST9750420AS SATA 3 Gb/s 7200 16 750 99.99 7.50
Hitachi 0J11563 SATA 3 Gb/s 5400 8 750 3 99.99 7.50
Seagate Momentus ST9750423AS SATA 3 Gb/s 5400 16 750 99.99 7.50
Toshiba MKxx76GSX Series MK6476GSX SATA 3 Gb/s 5400 8 640 1 85.96 7.45
Seagate Momentus 5400.6 ST9500325AS SATA 3 Gb/s 5400 8 500 67.99 7.35
Western Digital WD5000BPVT/R SATA 3 Gb/s 5400 8 500 67.99 7.35
Western Digital Scorpio Black WD7500BPKT SATA 3 Gb/s 7200 16 750 5 102.95 7.29
Samsung Spinpoint M7 HM500JI SATA 3 Gb/s 5400 8 500 69.99 7.14
Seagate Momentus ST905003N1A1AS-RK SATA 3 Gb/s 5400 8 500 73.12 6.84
Seagate Momentus ST907503N1A1AS-RK SATA 3 Gb/s 7200 750 3 110.04 6.82
Seagate Momentus ST906403N1A1AS-RK SATA 3 Gb/s 5400 8 640 3 97.37 6.57
Western Digital Scorpio Blue WD5000BPVT SATA 3 Gb/s 5400 8 500 3 76.14 6.57
Hitachi 0Y30055 SATA 3 Gb/s 5400 8 500 3 77.60 6.44
Hitachi 0J11561 SATA 3 Gb/s 5400 8 500 3 79.66 6.28
Toshiba MK5059GSXP SATA 3 Gb/s 5400 8 500 79.99 6.25
Hitachi Travelstar 5K500.B HTS545050B9A300 (0A57915) SATA 3 Gb/s 5400 8 500 79.99 6.25
Hitachi Travelstar 0S02858 SATA 3 Gb/s 7200 500 79.99 6.25
Western Digital Scorpio Black WD5000BPKT SATA 3 Gb/s 7200 16 500 5 79.99 6.25
Toshiba MKxx76GSX Series MK5076GSX SATA 3 Gb/s 5400 8 500 1 79.99 6.25
Samsung Spinpoint M8 HN-M500MBB SATA 3 Gb/s 8 500 79.99 6.25
Hitachi Travelstar 7K750 0J12281 SATA 3 Gb/s 7200 16 500 79.99 6.25
Toshiba MK5065GSXW SATA 3 Gb/s 5400 8 500 79.99 6.25
Western Digital Scorpio Blue WD7500KPVT SATA 3 Gb/s 5200 8 750 3 124.49 6.02
Western Digital Scorpio Blue WD5000LPVT SATA 3 Gb/s 5400 8 500 84.99 5.88
Western Digital AV-25 WD5000BUCT SATA 3 Gb/s 5400 16 500 85.99 5.81
Western Digital Scorpio Blue WD5000BEVT SATA 3 Gb/s 5400 8 500 3 87.99 5.68
Seagate Momentus ST905003N3A1AS-RK SATA 3 Gb/s 7200 16 500 94.99 5.26
Seagate Momentus 7200.4 ST9500423AS SATA 3 Gb/s 7200 16 500 95.73 5.22
Seagate Momentus XT ST95005620AS SATA 3 Gb/s 7200 32 500 99.99 5.00
Samsung HN-M101MBB SATA 3 Gb/s 8 500 104.99 4.76
Lenovo ThinkPad 43N3423 SATA 3 Gb/s 7200 16 500 109.00 4.59
Seagate Momentus 7200.4 ST9500420AS SATA 3 Gb/s 7200 16 500 109.99 4.55
Toshiba MKxx61GSYN Series MK5061GSYN SATA 3 Gb/s 7200 16 500 3 114.99 4.35
Samsung Spinpoint M7E HM501II SATA 3 Gb/s 5400 8 500 119.00 4.20
Toshiba MK5059GSX SATA 500 3 123.00 4.07
Hitachi Travelstar H2IK500854SP SATA 3 Gb/s 5400 500 139.00 3.60
Toshiba MKxx65GSX Series MK5065GSX SATA 3 Gb/s 5400 8 500 175.00 2.86
Seagate Momentus 7200.4 ST9500420ASG SATA 3 Gb/s 7200 16 500 193.65 2.58
Seagate Constellation.2 ST9500620NS SATA 6 Gb/s 7200 64 500 195.12 2.56
Western Digital Scorpio Black WD5000BEKT SATA 3 Gb/s 7200 16 500 5 199.00 2.51
Seagate Momentus XT STAN500100 SATA 3 Gb/s 7200 32 500 5 208.56 2.40
Seagate Constellation ST9500530NS SATA 3 Gb/s 7200 32 500 5 255.99 1.95
HP Midline 507750-B21 SATA 3 Gb/s 7200 500 298.00 1.68
IBM 42D0752 SATA 7200 500 300.00 1.67

Price History

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Recent Price Changes

2012-05-12 $109.99 -32.96
2012-05-11 $142.95 +43.95
2012-05-10 $99.00 +31.51
2012-05-10 $67.49 -31.51
2012-05-03 $99.00 -43.95
2012-05-03 $142.95 +42.96
2012-04-30 $99.99 +10.99
2012-04-30 $89.00 -10.99
2012-04-24 $99.99 +5.04
2012-04-20 $94.95 -5.04

Manufacturer's Specs

General
InterfaceSATA 3.0Gb/s
Guaranteed Sectors976,773,168
Cache16 MBytes
Capacity500 GB
Areal density (avg)394 Gbits/inch2
Performance
Random write seek time13.0 msec
Average latency4.17 msec
Spindle Speed7,200 rpm
Random read seek time11.0 msec
Power
5V start max current1.0 amps
Reliability
Annual Failure Rate0.5
Physical
Width (max)69.85 mm (2.750 inches)
Weight (typical)110 grams (0.238 pounds)
Height (max)9.5 mm (0.370 inches)
Length (max)100.35 mm (3.951 inches)

External links

Seagate
http://www.seagate.com/
ST9500420AS
http://www.seagate.com/ww/v...

Seagate ST9500420AS Reviews & Benchmarks

Review the Tech - Seagate Momentus 7200.4 SATA 3Gb/s 500-GB Hard Drive ST9500420AS (9/10) - July 12, 2011
X-bit labs - Roundup: 2.5-inch Hard Disk Drives with 500 GB, 640 GB and 750 GB Storage Capacities - June 16, 2010
Silent PC Review - Recommended Hard Drives - April 28, 2010
Silent PC Review - More 500GB notebook drives: Seagate Momentus 7200.4 & Hitachi Travelstar 5K500.B - Nov. 5, 2009
Tom's Hardware - Perfect Notebook Storage: Seven 2.5” 500 GB Drives - June 18, 2009
The Tech Report - Five 2.5-inch hard drives at 500GB - Take your half-terabyte to go - June 5, 2009

Other Seagate Momentus 7200.4 Reviews & Benchmarks

The Tech Report - Today's solid-state drives: The value perspective - Quantifying the value of today's SSD goodness - July 6, 2010

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