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| Brand | Samsung |
|---|---|
| Model | PM863 |
| Capacity | 1.92 TB |
| Usage Class | Read Intensive |
| Host Interface | SATA 6.0 Gbps |
|---|---|
| Total Interface Bandwidth | 6 Gb/s |
| Form Factor | 2.5" |
|---|
| NAND Flash | Samsung V-NAND 3D TLC |
|---|---|
| Drive Writes Per Day | 1.3 |
| Total Bytes Written | 2800 TBW |
| Sequential Read | 520 MB/s |
|---|---|
| Sequential Write | 475 MB/s |
| Random Read IOPS | 99000 |
| Random Write IOPS | 18000 |
| Average Latency | 95 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZ-XL57T60 |
|---|
Compared with the previous-generation MZ-XL57T60, the MZ7LM1T9HCJM-00005 PM863 brings Samsung V-NAND 3D TLC to a 1.92 TB enterprise SATA platform with 2,800 TBW and 1.3 DWPD, delivering a stronger endurance-per-dollar profile for mainstream data center refreshes. With 520/475 MB/s sequential performance and up to 99,000/18,000 IOPS, it is a precise fit for read-heavy virtualization, boot/storage tiers, and scale-out server nodes that need predictable SATA performance without moving to a higher-cost SAS or NVMe stack.
With an endurance rating of 2,800 TBW and 1.3 DWPD, the MZ7LM1T9HCJM-00005 is designed to handle sustained daily write activity well beyond typical OS, application, and general server workloads. In practical terms, for use as a system or boot drive under normal enterprise conditions, this level of endurance provides long service life and strong confidence in long-term deployment. For enterprise reliability, built-in Power Loss Protection (PLP) helps preserve in-flight data and mapping information during unexpected power interruptions, reducing the risk of corruption or incomplete writes. Its 1.0E-17 UBER and 2 million-hour MTBF indicate a very low uncorrectable bit error rate and high overall device reliability, which are key factors for stable operation in business-critical environments.
1. The SATA 6.0 Gbps interface and 520 MB/s sequential read performance enable a simple drop-in upgrade for legacy enterprise platforms while noticeably speeding up boot, restore, and large-file access operations.
2. With 99,000 K IOPS random read capability, the drive keeps virtual machines, indexing engines, and read-heavy databases responsive under high-concurrency demand.
3. Rated at 1.3 DWPD, it is built to sustain consistent day-after-day rewrites in mixed-use enterprise workloads without sacrificing service life.
4. Samsung V-NAND 3D TLC delivers a practical balance of capacity, power efficiency, and reliability, making it well suited for cost-sensitive data center scaling.
5. A typical latency of 95 µs helps reduce transaction wait time and improve QoS consistency for latency-sensitive applications such as OLTP and VDI.
Lower capacity reference: 960 GB Higher capacity reference: 3.84 TB Capacity positioning analysis: In this series, 1.92 TB is the sweet-spot capacity for mainstream enterprise deployment. Compared with 960 GB, it provides much better headroom for OS growth, application logs, patch cycles, and data expansion, reducing the risk of early capacity pressure. Compared with 3.84 TB, it keeps acquisition cost and $/usable workload more controlled while delivering essentially the same enterprise-class sequential and random performance profile. It is especially well suited for medium-scale virtualization clusters, such as serving boot and application storage for around 40 to 60 general-purpose virtual machines.
Q: Is MZ7LM1T9HCJM-00005 suitable for a write-heavy database server?
A: Yes, it can support database workloads with moderate to relatively high write activity. With 1.3 DWPD, 2800 TBW, low latency, and enterprise PLP, it is suitable for many business-critical servers.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This model is rated for 1.3 drive writes per day, meaning the full 1.92 TB capacity can be written about 1.3 times daily. Its total endurance specification is 2800 TBW.
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 unexpected outages, reducing corruption risk and improving reliability for databases, RAID arrays, and transactional applications.
Q: What RAID level is recommended for this SSD?
A: For most enterprise deployments, RAID 10 is the preferred choice because it balances performance, redundancy, and write efficiency. RAID 1 is also suitable for smaller critical systems needing strong data protection.