Hitachi Travelstar Z7K320 0A78741 HTS723216A7A364 160GB 7.2K 2.5" SATA Hard Drive

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Hitachi Part #/MPN: 0A78741

DiscTech Item #: HIT-0A78741-BN-3Y

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Capacity: 160GB

Speed: 7,200RPM

Interface Types: SATA

Form Factor: 2.5inx7mm Fits All laptops

Sector Size: 512 / 512e

Electrical Interface: SATA 300 - 3.0Gbps

On-Board Cache: 16MB

Series Overview HTS723216A7A364
InterfaceSATA 3Gb/s
Capacity (GB)


Sector size (bytes)


Recording zones


Areal density (Gbit/ max)


Data buffer (MB) 16
Rotational speed (RPM) 7200
Latency average (ms) 4.2
Media transfer rate (Mbits/sec, max) 1334
Interface transfer Rate (MB/sec, max) 300
Seek time Average (typical) ms (read) 13
Seek time Track to track (typical) ms (read) 1
Seek time Full stroke (typical) ms (read) 25
Load / unload cycle 600,000
Power on hours (POH) per month N/A
Requirement+5 VDC (+ -5%)
Dissipation Startup (W, peak, max.) 5.5
Seek (W, avg.) 2.1
Read / Write (W, avg.) 1.8
Idle (avg.) 1.7
Active idel (W, avg.)


Low power idle (W, avg.) 0.8
Standby (W, avg.) 0.2
Sleep (W) 0.1
Physical size
z-height (mm) 7
Dimensions (width x depth, mm) 70 x 100
Weight (g, max) 95
Environmental (Operating)
Shock (half-sine wave) 400G/2ms, 225G/1ms
Ambient temperature 0 to 60o C
Environmental (Non-Operating)
Shock (half-sine wave) 1000G/1ms
Ambient temperature -40 to 65o C
Acoustics (A-weighted sound power)
Idle (Bels, typical)2.3
Seek (Bels, typical) 2.4

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ROHS Compliant

Alternate MPNs: HTS723216A7A364

Weight: 0.5 lb

Warranty: 3 Year Manufacturer

Brand New

Condition Levels Explained

The product is brand new & sealed in retail box packaging.

3 Year Manufacturer Warranty

Product Warranties Explained

The product has a manufacturer warranty for the time period specified.

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