Table B-7 (Cont.) Drive Usage Information
Usage Description
Data retention 3 months powered off at 40 degrees Celsius at end of rated
endurance
Endurance Drive Writes Per Day (DWPD) for 5 years:
1 PBW (at 4KB Random Write) 0.8 PB
Refer to the JEDEC JESD218A standard for SSD device life
and endurance measurement techniques.
Table B-8 Drive Reliability
Attribute Value
Component Design Life (Useful life) 5 years
MTBF 2,000,000 hours
Expected AFR (Annualized Failure
Rate)
0.44% for normal 24x7 operating conditions
Table B-9 Drive Capacity and Performance
Attribute Value
Capacity, formatted Default Formatted Capacity: 480,103,981,056 bytes
Sector Size (LBA size): 512 bytes per sector
Capacity, unformatted Unformatted Capacity (Total User Addressable LBA):
937,703,088 (max 480 GB)
Capacity, raw NAND 512 GiB
Random 4 KB Read Random 4KB Read - 280k IOPs
Typical 4 KB Random Read QD=1, Worker=1: 80us
Random 4 KB Write Random 4 KB Write 40K IOPs
Typical 4 KB Random Write QD=1, Worker=1: 15us
Sequential Read 128 KB, QD 128, Worker=1: 5.0 GB/s
Sequential Write 128 KB, QD 128, Worker=1: 0.7 GB/s
Interface data transfer rate Interface Data Rate: PCIe Gen 4
Data Transfer Rate 16 GT/sec
Interface drivers/receivers SFF: 1x4 lanes
Table B-10 Drive Electrical Specifications
Attribute Value
Power On to Ready 20 seconds (CSTS.Ready=1 ; may not be ready for IO)
Supply Voltage / Tolerance 3.3 V +5%/-5%
Inrush Current 3.3 V, 2.5 A
Power Consumption Active Read: 7 W
Active Write: 5.7 W
Idle < 2.9 W
Power Requirements Refer to vendor product specification.
Appendix B
480GB NVMe M.2 Solid State Drive Specification
B-8
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