Overview
The Lenovo 4XB7A77455 is a 480 GB ThinkSystem S4520 SATA 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
- 480 GB Storage Capacity
- SATA/600
- 3.5"
- 3.5-inch non-hot-swap drives for ThinkSystem ST50 V2 server
- TLC NAND
- Hot Pluggable: No
Performance & Endurance
- Endurance (DWPD, 5 Years): 2.8
- Total Bytes Written (TB): 2,500
- Sequential Read: 550 MB/s (128 KB)
- Sequential Write: 460 MB/s (128 KB)
- Random Read: 79,000 IOPS (4 KB)
- Random Write: 30,000 IOPS (4 KB)
- Read Latency: 102 μs
- Write Latency: 48 μs
Reliability & Security
- MTBF: 2,000,000 hours
- Uncorrectable Bit Error Rate: < 1 in 10^17 bits read
- Typical Maximum Power (W): 3
Compatibility & Ordering
- Listed for Lenovo ThinkSystem ST50 V2
- Confirm Exact Server, Controller, Backplane and Drive-Bay Support
- Manufacturer Part Number: 4XB7A77455
- 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.