Travelstar Z7K500

500GB, 320GB & 250GB

2.5-inch 7mm Mobile Hard Drive
  • High Performance 7200 RPM for faster data access
  • Big Capacity Up to 500GB of storage
  • Low Profile  7mm thickness for design flexibility
Travelstar Z7K500 is the second generation 7mm, 7200 RPM 2.5-inch hard drive from HGST, with capacities ranging from 250GB to 500GB leveraging Advanced Format, which increases the physical sector size from 512 bytes to 4,096 (4K) bytes to improve drive capacities and error correction capabilities. Travelstar Z7K500 is the first 2.5-inch HDD with a 6Gb/s SATA interface and 32MB of cache and delivers the highest 7200 RPM performance in PCMark Vantage testing. The 500GB per platter, one-disk models are designed as a direct replacement for standard 9.5mm HDDs, for use in notebook PCs, external storage and gaming consoles, as well as new, thinner and more robust device designs.
Model # / Part #
  • HTE725050A7E630 / 0J43105
  • HTE725032A7E630 / 0J43103
  • HTS725050A7E630 / 0J38075
  • HTS725050A7E631 / 0J39425
  • HTS725050A7E635 / 0J43895
  • HTS725032A7E630 / 0J38073
  • HTS725032A7E631 / 0J39423
  • HTS725032A7E635 / 0J43893
  • HTS725025A7E630 / 0J38072
  • HTS725025A7E631 / 0J39422
  • HTS725025A7E635 / 0J43892
Interface SATA 6Gb/s SATA 6Gb/s
Capacity (GB) 500 / 320 500 / 320 / 250
Sector size (variable, Bytes/sector) 512e 512e
Recording zones 30 30
Max Areal Density (Gbits/sq. in.) 630 630


Data Buffer (MB) 32 32
Rotational Speed (RPM) 7200 7200
Latency Average (ms) 4.2 4.2
Media transfer rate (Mbits/sec, max) 1369 1369
Interface transfer rate (MB/sec, max) 600 600
Seek Time (read, ms, typical) 13 13
Seek time: Track to track (typical) ms (read) 1 1
Seek time: Full Stroke (typical) ms (read) 25 25


Power on hours (POH) per month 730 N/A
MTBF (M hours)   N/A
Load/Unload Cycles 600,000 600,000


Idle (Bels) 2.3 2.3
Operational (Bels, typical) 2.4 2.4


Requirement +5VDC(+-5%) +5VDC(+-5%)
Startup (W, peak, max) 5.5 5.5
Read/Write (W, avg) 1.8 1.8
Low power idle (W, avg) N/A 0.8
Standby (W, avg) 0.2 0.2
Seek (W, avg) 2.1 2.1
Active Idle (W, avg) N/A 1.0
Performance Idle (W, avg) 1.7 1.7
Sleep (W) 0.1 0.1

Physical size

Z-Height (mm) 7 7
Dimensions (width x depth, mm) 70x100 70x100
Weight (g, max) 95 95

Environmental (operating)

Ambient temperature 0 to 60C 0 to 60C
Shock (half-sine wave) 400G/2ms, 225G/1ms 400G/2ms, 225G/1ms

Environmental (non-operating)

Ambient temperature -40 to 65C -40 to 65C
Shock (half-sine wave) 1000G/1ms 1000G/1ms

No additional files, specification sheets, guides or documentation found for product.

Warranty: 3-year Manufact.

Full manufacturers warranty details are available at the manufacturers web site.

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