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- Description
- Specifications
4XB7A13941 (feature code BMGD) is the ThinkSystem 2.5-inch U.2 P5520 1.92TB Read Intensive NVMe PCIe 4.0 x4 hot-swap SSD, drive model SSDPF2KX019T1O. The P5520 is based on the Solidigm D7-P5520 (formerly the Intel D7-P5520) and uses Intel 144-layer TLC 3D NAND flash behind a PCIe 4.0 connection, with support for PCIe 3.0 hosts as well.
The 1.92TB capacity reaches 700,000 random read IOPS and 114,000 random write IOPS with 4 KB blocks, plus 5.3 GBps sequential read and 1.9 GBps sequential write. Sequential latency is 10 µs for reads and 13 µs for writes, and random latency is 75 µs for reads and 15 µs for writes. Average power is 15 W for both reading and writing.
Encryption is built in: the drive complies with the TCG Opal 2.01 security standard. Endurance is 1 drive write per day over 5 years, with 3.5 PB total bytes written and an MTBF of 2,000,000 hours, and data reliability is better than 1 unrecoverable error in 10^17 bits read. The drive is 15 mm high, 70 mm wide and 100 mm deep and weighs 146 g. For a mixed-use PCIe 4.0 NVMe drive, see the ThinkSystem 2.5-inch U.2 P5600 6.4TB, 4XB7A17154, or browse more Lenovo SSDs.
| Option part number | 4XB7A13941 |
| Feature code | BMGD |
| Drive model | SSDPF2KX019T1O |
| Capacity | 1.92TB |
| Interface | NVMe PCIe 4.0 x4 |
| Form factor | 2.5-inch U.2 hot-swap |
| Encryption | SED, TCG Opal 2.01 |
| Endurance | 1 DWPD, 3.5 PB written |
| 4 KB random IOPS | 700,000 read / 114,000 write |
| Sequential throughput | 5.3 GBps read / 1.9 GBps write |
| Random latency | 75 µs read / 15 µs write |
| Average power | 15 W read / 15 W write |
| MTBF | 2,000,000 hours |