Samsung 3.84TB SATA 6G RI SFF 2.5" SSD PM863a MZ-7LM3T8N MZ7LM3T8HMLP for Cisco UCS C-Series Server
Other Related Part Numbers: MZ-7LM3T8N, MZ7LM3T8HMLP, MZ7LM3T8HMLP-000K0, MZ7LM3T8HMLP-00005
The Samsung PM863a (MZ7LM3T8HMLP / MZ-7LM3T8N) is a 3.84TB enterprise-grade SATA SSD designed for read-intensive workloads in Cisco UCS environments. Built with Samsung V-NAND technology, it delivers consistent performance, strong endurance, and enterprise-class reliability. It is commonly rebranded under Cisco part numbers such as UCS-SD38TBKS4-EV and is widely used across UCS C-Series rack servers.
Core Specifications
- Capacity: 3.84TB (3840GB)
- Form Factor: 2.5-inch SFF (7mm height)
- Interface: SATA III 6Gb/s
- NAND Type: Samsung V-NAND TLC
- Controller: Samsung Mercury
- Workload Type: Read Intensive (RI)
Performance
- Sequential Read: Up to 520–540 MB/s
- Sequential Write: Up to 480 MB/s
- Random Read (4KB): Up to 97,000 IOPS
- Random Write (4KB): Up to 24,000 IOPS
- Latency: ~130 µs (Read) / ~30 µs (Write)
Reliability & Endurance
- Endurance (TBW): ~5,466 TB
- Endurance (DWPD): ~1.3 DWPD
- MTBF: 2,000,000 hours
- Data Protection: Power Loss Protection (PLP) & End-to-End Data Protection
- Encryption: AES 256-bit hardware encryption
Power & Environmental
- Active Power: ~3W (Read) / ~4W (Write)
- Operating Temperature: 0°C to 70°C
- Shock Resistance: 1500G @ 0.5ms
Compatible Cisco UCS C-Series Servers
M8 Generation
C220 M8, C240 M8, C225 M8, C245 M8, C845A M8, C880A M8
M7 Generation
C220 M7, C240 M7
M6 Generation
C220 M6, C240 M6, C245 M6
M5 Generation
C220 M5, C240 M5, C240 SD M5, C480 M5, C125 M5 (C4200 chassis)
M4 Generation
C220 M4, C240 M4, C460 M4, C480 M4
M3 Generation
C220 M3, C240 M3, C460 M3
Drive Tray / Carrier Compatibility (7mm SATA SSD)
This SSD uses a standard 2.5″ SFF 7mm form factor and requires a Cisco UCS-compatible drive tray/caddy depending on server generation:
- M5 / M6 / M7 / M8: Tray part number 74-113290-01
- M3 / M4: Tray part number 800-35052-01
RAID / Controller Compatibility
- Cisco 12G Modular RAID controllers
- Cisco Modular SAS HBAs
- Fully compatible with SATA RAID and AHCI environments
Important Compatibility Notes
- SATA interface (not SAS or NVMe)
- Fits both 7mm and 15mm 2.5" drive bays
- Hybrid bays supported (SAS/SATA compatible on most UCS systems)
- May not report full health/SMART data in Cisco UCS Manager if non-Cisco firmware
- Requires correct Cisco tray/caddy for hot-swap use
- Ideal for virtualization, cloud, and read-intensive enterprise workloads
The Samsung PM863a 3.84TB SSD is a reliable and widely compatible storage solution for Cisco UCS C-Series servers, delivering strong performance and enterprise-grade durability.
