Hitachi 0A79645 250GB SATA Hard Drive
Capacity: 250GB
Spindle Speed: 7,200RPM
Interface Type: SATA
Disk Size: 2.5″x7mm (Thin / Case)
Sustained Throughput (MBps): 300
Average Seek Time (read/write ms): 4.2
Electrical Interface Speed: SATA 300 – 3.0Gbps
On-Board Cache: 16MB
| Hitachi 0A79645 / HTS723225A7A364 250GB 2.5″ 3.0 Gbps 7200 RPM Travelstar Z7K320 Mobile Serial Advanced Technology Attachment Hard Disk Drive – Refurbished
Alt Mpn: HTS723225A7A364
High-Performance, Quiet HDD Solution For Mobile Applications – Travelstar™ Z7K320 is the industry’s first 7200 RPM, 7mm, 2.5-inch hard drive. These platter one-disk models are designed as a direct replacement for standard 9.5mm HDDs,for use in notebook PCs, external storage and compact systems. The Z7K320 offers design flexibility to accommodate new thinner and more robust devices/systems and delivers up to 18% better application performance than 5400 RPM models of the same capacity. Along with continued focus on superior shock protection and low power consumption, HGST delivers best-of-breed acoustics. HGST offers optional hard-drive-level encryption for increased data security and models with enhanced availability to deliver high-performance storage for non-stop environments. Travelstar Z7K320 provides the right balance of performance and capacity to meet the multi-tasking needs of commercial and consumer users on the go.
Enhanced Availability (EA)—for 24×7 Access to Data – HGST provides enhanced-availability models of the Travelstar Z7K320 that deliver 24×7 access to information for data-intensive applications requiring round-the-clock operation. The new, slimmer profile provides for additional cooling, especially important in dense blade server designs. The Z7K320 provides high capacity, performance and durability on a proven platform for quality and reliability. EA models support the stringent demands of“always-on” applications in lower-transaction environments.
Highlights
- New 7mm z-height for greater design flexibility
- 7200 RPM high-performance HDD
- Best-of-breed acoustics
- Low power consumption
- Halogen-free for eco-friendly footprint
- Enhanced-availability (EA) models for applications needing around-the-clock access in lower-transaction environments
Applications/Environments
- Notebook and ultra-portable PCs
- Compact desktop PCs
- External storage
- Gaming PCs
- Compact video devices
- Blade servers (EA)
- Network routers (EA)
- Video surveillance (EA)
- Compact RAID systems (EA)
Compatibility
| ACER Ferrari 11000 |
Apple Mac Book |
Apple Mac Pro |
ASUS P7P55 |
| Compaq Presario CQ60-200 Notebook PC series |
Dell Alienware m15x |
Dell Inspiron |
Dell Latitude |
| Dell OptiPlex |
Dell Precision |
Dell Studio XPS |
Dell Vostro 2510 |
| Gateway NX100X |
HP 2133 Mini-Note PC |
HP Compag 610 Notebook PC |
HP Compaq Notebook PC |
| HP Compaq nx7400 Notebook PC |
HP Compaq nx9420 Notebook PC |
HP Compaq nw8440 Mobile Workstation |
HP Compaq nw9440 Mobile Workstation |
| HP EliteBook 6930p Notebook PC |
HP EliteBook 8530p Notebook PC |
HP EliteBook 8540w Mobile Workstation |
HP G70-200 Notebook PC series |
| HP HDX X16-1200 Premium Notebook PC series |
HP Mini 110-1000 PC series |
HP Mini 210-1000 PC series |
HP Mini 5101 |
| HP Pavilion Entertainment Notebook PC Series |
HP Pavilion Entertainment Notebook PC |
HP Pavilion Notebook PC series |
HP ProBook 4510s Notebook PC |
| HP ProBook 5310m Notebook PC |
HP ProBook 6440b Notebook PC |
HP Touchsmart tx2-1000 Notebook PC series |
Lenovo IdeaPad S12 |
| Lenovo ThinkPad R Series |
Lenovo ThinkPad T Series |
Lenovo ThinkPad X Series |
Lenovo ThinkPad Edge |
| Toshiba Tecra M4-S435 |
AMD SB600 family |
AMD SB700 family |
AMD SB800 family |
| Intel ICH6 family |
Intel ICH7 family |
Intel ICH8 family |
Intel ICH9 family |
| Intel ICH10 family |
Intel PCH11M |
Intel 5 Series |
NVIDIA nForce 700 family |
| NVIDIA MCP78 |
NVIDIA MCP68 |
Oxford OXUF934DSL-LQAG |
SiS 968 family |
| VIA 896 |
G-Tech USB/FW/ESATA Case |
CryptoMill – SEAHawk (2.4.2) |
Softex – SecureDrive (7.00.17) |
| Wave – Embassy Suite (02.06.00.000d) |
WinMagic – SecureDoc (5.1A) |
Symantec/Guardian Edge – Encrypted |
Drive Manager (9.5.1.18) |
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| SPECIFICATIONS |
| Drive Model |
0A79645 |
| Standard Model |
HTS723225A7A364 |
| CONFIGURATION |
| Interface |
SATA 3Gbps |
| Capacity |
250 GB |
| Sector Size |
512 bytes |
| Recording Zones |
24 |
| Aerial Density ((Gbit/sq.in, max) |
477 |
| PERFORMANCE |
| Data Buffer |
16 MB |
| Rotational Speed |
7200 RPM |
| Latency Average |
4.2 ms |
| Media Transfer Rate |
1334 Mb/s |
| Interface Transfer Rate |
300 MB/s |
| Average Seek Time (Typical)(Read) |
13 ms |
| Track to Track Seek Time (Typical)(Read) |
1 ms |
| Full Strole Seek Time (Typical)(Read) |
25 ms |
| RELIABILITY |
| Load/Unload Cycle |
600,000 |
| Power on Hours (POH) Per Month |
N/A |
| Availability |
N/A |
| POWER |
| Requirement |
+5VDC (+-5%) |
| Dissipation (Typical) Startup (Peek, Max) |
5.5 W |
| Seek (Average) |
2.1 W |
| Read/Write (Average) |
1.8 W |
| Performance Idle (Average) |
1.7 W |
| Active Idle (Average) |
1.0 W |
| Lower Power Idle (Average) |
0.8 W |
| Standby (Average) |
0.2 W |
| Sleep |
0.1 |
| PHYSICAL SIZE |
| Height (max, mm/in) |
7.0/0.276 |
| Width (mm/in) |
70.0/2.756 |
| Depth (mm/in) |
100.0/3.937 |
| ENVIRONMENTAL (OPERATING) |
| Shock (Half-Sine Wave) |
400G/2ms,225G/1ms |
| Ambient Temperature |
0° to 60° C |
| ENVIRONMENTAL (NON-OPERATING) |
| Shock (Half-Sine Wave) |
1000G/1ms |
| Ambient Temperature |
-40° to 65° C |
| ACOUSTICS (A-WEIGHTED SOUND POWER) |
| Idle (Bels, Typical) |
2.3 |
| Seek (Bels, Typical) |
2.4 |
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