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Lenovo lists 4XB7A95051 (feature code C2BS) as the ThinkSystem 2.5-inch U.3 7500 PRO 3.84TB Read Intensive NVMe PCIe 4.0 x4 hot-swap SSD, supplier model MTFDKCC3T8TGP-1BK1DABYY. Each drive has a direct PCIe 4.0 x4 connection and self-encryption to TCG Opal 2.01.
At 3.84TB Lenovo rates endurance at 1.0 drive write per day over 5 years, which is 7,008 TB written, with an MTBF of 2,000,000 hours.
Lenovo's figures for this capacity are 1,100,000 random read IOPS and 180,000 random write IOPS at 4 KB, 6800 MBps sequential reads and 5300 MBps sequential writes at 128 KB. Random latency is 70 microseconds for reads and 15 for writes, and typical power is 12.8 W reading and 15.5 W writing.
A 3.5-inch 3.84TB version of the 7500 PRO also exists as 4XB7B05734 (C9ZX).
The Lenovo SSD category also lists the Lenovo ThinkSystem 2.5-inch U.2 P5620 1.6TB mixed use NVMe PCIe 4.0 x4 SSD.
| Option part number | 4XB7A95051 |
| Feature code | C2BS |
| Supplier model | MTFDKCC3T8TGP-1BK1DABYY |
| Capacity | 3.84TB |
| Interface | PCIe 4.0 x4 NVMe, U.3 |
| Form factor | 2.5-inch hot-swap |
| Class | Read Intensive |
| Endurance | 1.0 DWPD for 5 years (7,008 TB written) |
| 4 KB random IOPS | 1,100,000 read / 180,000 write |
| 128 KB sequential | 6800 MBps read / 5300 MBps write |
| Encryption | TCG Opal 2.01 |
| Typical power | 12.8 W read / 15.5 W write |