Seagate Momentus 7200.4 ST9500420AS (500 GB)

vs Comparable 2.5" SATA Hard Disks
Item 1541: Seagate Momentus 7200.4 500GB ST9500420AS
BrandSeagate
FamilyMomentus 7200.4
PartST9500420AS
Size500 GB
Cache16 MB
RPM7200
Form Factor2.5"
InterfaceSATA
Speed3 Gb/s
ST9500420AS Reviews6 (avg: 4.5/5)
$ 75.00
Disk Interface RPM Cache (MB) Size (GB) Warranty Years Best Price Vendor Value (GB/$)
Samsung Spinpoint M8 ST1000LM024 SATA 3 Gb/s 5400 8 1000 67.00 14.93
Toshiba MQ01ABD100 SATA 3 Gb/s 5400 8 1000 68.29 14.64
Toshiba MQ01ABD075 SATA 3 Gb/s 5400 8 750 53.00 14.15
Western Digital Scorpio Blue WD7500BPVT SATA 3 Gb/s 5400 8 750 3 53.34 14.06
Western Digital Scorpio Blue WD6400BPVT SATA 3 Gb/s 5400 8 640 3 45.99 13.92
Western Digital Scorpio Blue WD10JPVT SATA 3 Gb/s 5400 8 1000 2 74.60 13.40
Seagate Momentus LP STBD1000100 SATA 5400 1000 79.79 12.53
Western Digital Scorpio Blue WD5000LPVT SATA 3 Gb/s 5400 8 500 2 39.99 12.50
Hitachi Travelstar 5K1000 0J22413 SATA 6 Gb/s 5400 8 1000 79.99 12.50
Toshiba PH2100U-1I54 SATA 6 Gb/s 5400 8 1000 79.99 12.50
Western Digital Blue WD7500BPVX SATA 6 Gb/s 5400 8 750 60.99 12.30
Western Digital Blue WD10JPVX SATA 6 Gb/s 5400 8 1000 82.99 12.05
Western Digital WD5000BEKT/R SATA 3 Gb/s 7200 16 500 42.99 11.63
Western Digital Scorpio Blue WD5000BPVT-FR SATA 3 Gb/s 5400 8 500 42.99 11.63
Hitachi 0J11563 SATA 3 Gb/s 5400 8 750 3 64.99 11.54
Western Digital Scorpio Black WD5000BPKT-FR SATA 3 Gb/s 7200 16 500 43.99 11.37
Western Digital Scorpio Blue WD5000BPVT SATA 3 Gb/s 5400 8 500 3 44.40 11.26
Hitachi Travelstar H2IK500854SP SATA 3 Gb/s 5400 500 44.82 11.16
Western Digital WD5000BPVT/R SATA 3 Gb/s 5400 8 500 44.99 11.11
Western Digital Scorpio Black WD7500BPKT SATA 3 Gb/s 7200 16 750 5 68.19 11.00
Western Digital AV-25 WD10JUCT SATA 3 Gb/s 5400 16 1000 3 92.00 10.87
Toshiba HDD2K12 SATA 3 Gb/s 5400 8 750 3 69.00 10.87
Toshiba MK6459GSX SATA 5400 650 3 59.99 10.84
Seagate Momentus ST9750420AS SATA 3 Gb/s 7200 16 750 69.99 10.72
Samsung Spinpoint M8 HN-M750MBB SATA 3 Gb/s 5400 8 750 69.99 10.72
Seagate ST640LM000 SATA 3 Gb/s 5400 8 640 59.99 10.67
Seagate Momentus 5400.6 ST9500325AS SATA 3 Gb/s 5400 8 500 47.90 10.44
Western Digital Scorpio Blue WD7500KPVT SATA 3 Gb/s 5200 8 750 3 74.45 10.07
Toshiba MQ01ABD050 SATA 3 Gb/s 5400 8 500 49.64 10.07
Toshiba HDKBB097 SATA 5400 8 750 74.99 10.00
Hitachi Travelstar 0S02858 SATA 3 Gb/s 7200 500 51.63 9.68
Samsung Spinpoint M8 HN-M500MBB SATA 3 Gb/s 8 500 51.75 9.66
Seagate Momentus 7200.4 ST9500423AS SATA 3 Gb/s 7200 16 500 52.00 9.62
Western Digital Blue WD5000LPVX SATA 6 Gb/s 5400 8 500 54.45 9.18
Seagate Momentus ST905003N1A1AS-RK SATA 3 Gb/s 5400 8 500 55.48 9.01
Western Digital Scorpio Black WD5000BPKT SATA 3 Gb/s 7200 16 500 5 55.89 8.95
Hitachi 0J11562 SATA 3 Gb/s 5400 8 640 3 75.10 8.52
Hitachi Travelstar Z7K500 HTS725050A7E630 SATA 6 Gb/s 7200 32 500 59.99 8.33
Toshiba PH2050U-1I54 SATA 6 Gb/s 5400 8 500 62.13 8.05
Western Digital Scorpio Black WD5000BEKT SATA 3 Gb/s 7200 16 500 5 62.25 8.03
Seagate Momentus XT ST95005620AS SATA 3 Gb/s 7200 32 500 64.99 7.69
Samsung HN-M101MBB SATA 3 Gb/s 8 500 65.99 7.58
Toshiba MKxx65GSX Series MK6465GSX SATA 3 Gb/s 5400 8 640 87.88 7.28
Hitachi 0Y30055 SATA 3 Gb/s 5400 8 500 3 68.98 7.25
Western Digital Scorpio Blue WD5000BEVT SATA 3 Gb/s 5400 8 500 3 69.95 7.15
Western Digital AV-25 WD5000BUCT SATA 3 Gb/s 5400 16 500 3 69.99 7.14
Western Digital Product Line:AV-25 WD5000LUCT SATA 3 Gb/s 5400 16 500 70.99 7.04
Hitachi Travelstar 7K750 0J12281 SATA 3 Gb/s 7200 16 500 70.99 7.04
Lenovo ThinkPad 43N3423 SATA 3 Gb/s 7200 16 500 72.99 6.85
Seagate Momentus ST905003N3A1AS-RK SATA 3 Gb/s 7200 16 500 73.22 6.83
Hitachi Travelstar 7K500 HTS725032A9A364 SATA 3 Gb/s 7200 16 500 3 74.00 6.76
Seagate Momentus 7200.4 ST9500420AS SATA 3 Gb/s 7200 16 500 75.00 6.67
Toshiba MKxx76GSX Series MK5076GSX SATA 3 Gb/s 5400 8 500 1 76.99 6.49
Seagate ST500LM000 SATA 6 Gb/s 64 500 77.88 6.42
Hitachi Travelstar 7K500 HTS725050A9A364 SATA 3 Gb/s 7200 16 500 3 79.00 6.33
Toshiba MKxx61GSYN Series MK5061GSYN SATA 3 Gb/s 7200 16 500 3 79.99 6.25
Toshiba MKxx65GSX Series MK5065GSX SATA 3 Gb/s 5400 8 500 89.00 5.62
Seagate Constellation ST9500530NS SATA 3 Gb/s 7200 32 500 5 110.71 4.52
Samsung Spinpoint M7E HM501II SATA 3 Gb/s 5400 8 500 119.19 4.19
Seagate Momentus XT STAN500100 SATA 3 Gb/s 7200 32 500 5 119.99 4.17
HP Midline 507750-B21 SATA 3 Gb/s 7200 500 139.11 3.59
Western Digital Product Line:VelociRaptor WD5000BHTZ SATA 6 Gb/s 10000 64 500 5 159.80 3.13
Samsung Spinpoint M7 HM500JI SATA 3 Gb/s 5400 8 500 159.95 3.13
Seagate Constellation.2 ST9500620NS SATA 6 Gb/s 7200 64 500 161.65 3.09
Toshiba MK5059GSX SATA 500 3 163.95 3.05
Samsung Spinpoint MP4 HM500JJ SATA 3 Gb/s 7200 16 500 179.95 2.78
Seagate Constellation.2 ST9500621NS SATA 6 Gb/s 7200 64 500 187.41 2.67
Seagate Constellation.2 ST9500622NS SATA 6 Gb/s 7200 64 500 202.87 2.46
IBM 42D0752 SATA 7200 500 358.00 1.40
Western Digital AV WD3200BVVT SATA 3 Gb/s 5400 8 0 3 54.99 0.00
Western Digital Scorpio Blue WDBABC0010BNC-NRSN SATA 1.5 Gb/s 5400 8 0 2 77.99 0.00
Seagate Momentus Thin ST500LT012 SATA 1.5 Gb/s 5400 16 0 52.99 0.00
Hitachi Travelstar HTS725025A9A364 SATA 3 Gb/s 7200 16 0 59.95 0.00
Western Digital Scorpio Black WDBABD5000ANC-NRSN SATA 3 Gb/s 7200 16 0 5 81.99 0.00

Price History

Atom Feed

Recent Price Changes

2013-06-10 $75.00 -2.99
2013-05-21 $77.99 +23.00
2013-05-21 $54.99 -23.00
2013-05-17 $77.99 -1.00
2013-05-13 $78.99 +4.00
2013-05-10 $74.99 -4.00
2013-05-02 $78.99 -3.00
2013-04-29 $81.99 +0.99
2013-04-26 $81.00 -0.99
2013-04-24 $81.99 -3.01

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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