Overview
The Lenovo 4XB7A81999 is a 30.72 TB ThinkSystem PM1733a PCI Express NVMe server SSD. The manufacturer classifies this model for read intensive workloads. Match this OEM option to the supported server, controller and drive bay.
Drive Configuration
- 30.72 TB Storage Capacity
- PCI Express NVMe 4.0
- 2.5"
- 2.5-inch (SFF) HS
- TLC NAND
- Hot Pluggable: Yes
Performance & Endurance
- Endurance (DWPD, 5 Years): 1
- Total Bytes Written (TB): 56,064
- Sequential Read: 7,500 MB/s (128 KB)
- Sequential Write: 4,100 MB/s (128 KB)
- Random Read: 1,600,000 IOPS (4 KB)
- Random Write: 170,000 IOPS (4 KB)
- Read Latency: 270 µs
- Write Latency: 100 µs
Reliability & Security
- MTBF: 2,000,000 hours
- Uncorrectable Bit Error Rate: < 1 in 10^17 bits read
- Typical Maximum Power (W): 21
- TCG Opal
- Power Loss Protection
Compatibility & Ordering
- Listed for Lenovo ThinkSystem SN550 V2
- Listed for Lenovo ThinkSystem SR630 V2
- Listed for Lenovo ThinkSystem SR635
- Listed for Lenovo ThinkSystem SR645
- Listed for Lenovo ThinkSystem SR650 V2
- Listed for Lenovo ThinkSystem SR655
- Listed for Lenovo ThinkSystem SR665
- Listed for Lenovo ThinkSystem SR670 V2
- Listed for Lenovo ThinkSystem SR850 V2
- Listed for Lenovo ThinkSystem SR860 V2
- Listed for Lenovo ThinkSystem ST650 V2
- Confirm Exact Server, Controller, Backplane and Drive-Bay Support
- Manufacturer Part Number: 4XB7A81999
- Manufacturer Warranty: 1 Year Limited
- One-year CRU limited warranty; in a supported server the drive assumes the server base warranty and upgrades. SSD endurance limits apply.