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| Brand | Samsung |
|---|---|
| Model | PM863 |
| Capacity | 240 GB |
| Usage Class | Read Intensive |
| Host Interface | SATA 6Gb/s |
|---|---|
| Total Interface Bandwidth | 6 Gb/s |
| Form Factor | 2.5 |
|---|
| NAND Flash | Samsung V-NAND 3D TLC |
|---|---|
| Drive Writes Per Day | 1.5 |
| Total Bytes Written | 350 TBW |
| Sequential Read | 520 MB/s |
|---|---|
| Sequential Write | 245 MB/s |
| Random Read IOPS | 99000 |
| Random Write IOPS | 10000 |
| Average Latency | 120 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZ7LM240HCGR-00005 |
|---|
Compared with the earlier MZ7LM240HCGR-00005, the Samsung PM863 MZ-7LM2400 advances to Samsung V-NAND 3D TLC and delivers a stronger enterprise SATA profile with 1.5 DWPD, 350 TBW endurance, and up to 99,000 random-read IOPS in the same 240 GB class. It is a particularly strong choice for read-centric virtualization, boot-from-SAN, and scale-out web or cache tiers where its 520 MB/s read throughput, enterprise endurance, and SATA 6Gb/s compatibility provide a more durable and efficient upgrade path than prior-generation SATA SSDs.
With an endurance rating of 350 TBW, this SSD can sustain about 96 GB of host writes per day for 10 years, making it a comfortable choice for OS, boot, and typical business application workloads. Its 1.5 DWPD rating further indicates it is designed to handle frequent daily rewrites for a 240GB-class drive, giving purchasers solid confidence in long-term usage under normal enterprise write patterns. Power Loss Protection (PLP) helps preserve in-flight data and protects metadata integrity during unexpected power interruptions, which is especially important for business-critical systems. An UBER of 1.0E-17 means the drive is engineered for extremely low unrecoverable read error rates, and together with its 2 million hour MTBF, it reflects enterprise-grade reliability expectations.
1. The SATA interface ensures broad drop-in compatibility with mainstream enterprise servers and storage arrays, making upgrades simple in legacy and mixed-infrastructure deployments.
2. Its strong sequential read performance accelerates boot storms, large file access, and backup restore operations in read-heavy business environments.
3. High random read capability keeps virtual machines, OLTP databases, and metadata-intensive workloads highly responsive under heavy concurrent access.
4. The endurance profile supports sustained daily rewrites over years of operation, making it a reliable fit for mixed-use enterprise applications rather than light-duty archival roles.
5. Samsung V-NAND 3D TLC balances capacity, power efficiency, and long-term reliability, giving data centers a cost-effective flash platform for steady 24/7 service.
Lower capacity reference: 120 GB Higher capacity reference: 480 GB In this series, the 240 GB model sits at the practical sweet spot. Compared with the 120 GB version, it gives much better headroom for OS images, logs, patch growth, and application metadata, reducing early capacity pressure in always-on enterprise environments. Compared with the 480 GB option, it delivers nearly the same class of sequential throughput and random IOPS while keeping acquisition cost and per-node storage spend under tighter control. It is especially well suited for mid-scale virtualization clusters, such as hosting boot volumes for roughly 40 to 60 infrastructure-focused virtual machines.
Q: Is MZ-7LM2400 suitable for a write-heavy database server?
A: Yes, the MZ-7LM2400 is suitable for write-intensive database workloads. With 1.5 DWPD, 350 TBW endurance, low 120 µs latency, and enterprise PLP, it supports reliable sustained write performance.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This model is rated for 1.5 full drive writes per day. For a 240 GB SSD, that equals about 360 GB of writes daily across the specified warranty period.
Q: Does it include power loss protection (PLP) and why is that critical?
A: Yes, it includes power loss protection. PLP helps preserve in-flight data and metadata during sudden outages, reducing corruption risk and maintaining consistency in servers, RAID arrays, and databases.
Q: What RAID level is recommended for this SSD?
A: For most server deployments, RAID 1 or RAID 10 is recommended for the best balance of redundancy, performance, and rebuild safety. RAID 5 is possible, but less ideal for heavy writes.