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The 450GB S25 6 Gbps SAS OEM Internal Hard Drive from WD is an enterprise-class solution for storing data in servers or computers. This drive features a capacity of 450GB and has a smaller 2.5" form factor. It also boasts the speedy 6 Gbps interface and spins at a blazing fast disk speed of 10,000 rpm. It can transfer data at a speed of up to 155 MB/s. The drive requires less than 8 watts to operate and is suitable for a variety of consumer or business applications, such as blade servers, rack servers, tower servers, notebooks, desktops, as well as power-constrained data centers and database transaction processing.
Ultra-fast SAS Storage
WD S25 delivers 6 Gbps transfer rates, sustained sequential data rates of 155 MB/s, and fast average read seek times of 3.8 ms or less
This 2.5-inch SAS drive requires less than 8 watts to operate. And its small form-factor allows for more system airflow resulting in lower cooling costs
High Reliability Rating
With a field-tested 1.75 million hour MTBF, this high performance drive is perfect for mission critical enterprise server and enterprise storage applications
Rotary Acceleration Feed Forward
Optimizes operation and performance when the drives are used in vibration-prone, multi-drive chassis
No Touch Ramp Load Technology
The recording head never touches the disk media ensuring significantly less wear to the recording head and media as well as better drive protection in transit
In addition to being ROHS compliant, these drives also incorporate a halogen free design
High performance computing solutions such as power-constrained data centers, database transaction processing, and rack, tower, and blade servers
In the Box
WD 450GB S25 6 Gbps SAS OEM Internal Hard Drive
5-Year Limited Warranty
Table of Contents
6 Gbps SAS
User sectors per drive
Data Transfer Rate
Transfer Rate (Buffer To Disk): 155 MB/s (Sustained)
Average Latency (ms)
Not specified by the manufacturer
Average Drive Ready Time
Average Power Requirements
Sequential read/write: 8.3W
Random read/write: 7.1W
Operating: 41 to 131°F (5 to 55°C)
Non-operating: -40 to 158°F (-40 to 70°C)
Operating (2 ms read/write): 30 G
Operating (2 ms, read): 65 G
Non-operating (2 ms): 300 G
Seek (average): 34dBA
Dimensions (W x L x H)
2.75 x 3.94 x 0.59" (7 x 10 x 1.5cm)
0.48 lb (0.22kg)
WD 450GB S25 6 Gbps SAS OEM Internal Hard Drive Review