Base Model Ultrastar SS200

	Interface SAS 12Gb/s

	Form Factor 2.5-inch

	Capacity 400GB

	Endurance (Drive writes per day) 3

	Sequential Read (max MB/s, 128KiB) 1,800

	Sequential Write (max MB/s, 128KiB) 1,000

	Random Read (max IOPS, 4KiB) 250,000

	Random Write (max IOPS, 4KiB) 86,000

	Mixed Random Read/Write(max IOPS 70%R/30%W, 4KiB) 154,000

	Latency4 (us) 100

	Error Rate in bits read < 1 in 1017

	MTBF5 2.5M hours

	Annual failure rate5 (AFR) 0.35%

	Data Retention 3-month at 40oC

	Requirement (DC +/- 5%) 5V and 12V

	Operating (W, typical) 9 or 11 (configurable)

	Idle (W) 3.8 to 4.3

	Case Temperature 0o to 70oC

	Item Dimension (L inchxW inchxH inch) 4 x 3 x 1 Weight 1.00lb Warranty Information 5 Years