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| Brand | Samsung |
|---|---|
| Model | PM893 |
| Capacity | 240GB |
| Usage Class | Mixed Use / Read Intensive |
| Host Interface | SATA 6.0 Gbps |
|---|---|
| Total Interface Bandwidth | 6 Gb/s |
| Form Factor | 2.5-inch |
|---|
| NAND Flash | Samsung V6 (128-layer) TLC |
|---|---|
| Drive Writes Per Day | 1.3 |
| Total Bytes Written | 438 TBW |
| Sequential Read | 550 MB/s |
|---|---|
| Sequential Write | 380 MB/s |
| Random Read IOPS | 98000 |
| Random Write IOPS | 14000 |
| Average Latency | 100 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZ7L3240HBLT |
|---|
Compared with the previous-generation MZ7L3240HBLT, the PM893 MZ7L3240HCHQ brings a clear generational upgrade through Samsung V6 128-layer TLC, combining stronger enterprise endurance at 1.3 DWPD / 438 TBW with fully saturated SATA 6.0 Gbps read performance up to 550 MB/s. For SATA boot, edge, and mixed read-centric server tiers where 240GB is the right fit, it stands out by pairing 98,000/14,000 IOPS with Samsung enterprise reliability, giving it a more balanced performance-per-watt and durability profile than legacy SATA SSDs in the same class.
With an endurance rating of 438 TBW, the MZ7L3240HCHQ can sustain about 120 GB of host writes per day for 10 years, or roughly 240 GB per day for 5 years, which is more than sufficient for typical OS, boot, and read-heavy server workloads. In practical procurement terms, this means the drive is well suited for system-disk and general enterprise use cases where daily write volumes are moderate and predictable. Its enterprise reliability profile is strengthened by power loss protection (PLP), which helps preserve in-flight data and metadata during unexpected power interruptions, reducing the risk of corruption and incomplete writes. An UBER of 1.0E-17 means fewer than one unrecoverable bit error per 10^17 bits read, providing a very high level of read-data integrity expected in business-critical environments.
1. The SATA 6.0 Gbps interface, paired with 550 MB/s sequential read speed, provides a drop-in upgrade path for legacy enterprise servers while accelerating OS boot, backup restore, and large-file streaming tasks.
2. Up to 98,000 K IOPS in random read performance helps databases, virtual desktop pools, and metadata-heavy applications respond faster under highly concurrent access.
3. A 1.3 DWPD endurance rating supports sustained daily write activity over the drive’s service life, making it a reliable fit for mixed-use enterprise workloads.
4. Samsung V6 128-layer TLC NAND balances capacity, cost efficiency, and operational stability, enabling dense storage deployment without sacrificing enterprise-grade consistency.
5. With typical latency of 100 µs, the drive reduces storage wait time for transactional workloads, helping applications deliver more predictable response times.
Lower capacity reference: 120GB Higher capacity reference: 480GB In this series, the 240GB model sits in a practical sweet spot. Compared with the 120GB version, it gives noticeably better headroom for OS images, logs, patch growth, and application overhead, reducing the risk of early capacity pressure. Compared with the 480GB option, it preserves essentially the same enterprise-class read/write and random IOPS behavior while keeping acquisition cost more disciplined. That makes 240GB a balanced choice for mid-scale deployments, such as boot and utility storage for around 40 to 60 lightweight application or infrastructure nodes.
Q: Is MZ7L3240HCHQ suitable for a write-heavy database server?
A: Yes, it can support moderate write-intensive database workloads. With 1.3 DWPD, 438 TBW, TLC NAND, and 100 µs latency, it is better suited for entry to mid-range write-heavy server applications.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This model is rated for 1.3 DWPD, meaning it can sustain about 1.3 full 240GB drive writes per day across its warranty period, consistent with its 438 TB total endurance rating.
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 power failure, which is critical for maintaining data integrity and reducing corruption risk in server environments.
Q: What RAID level is recommended for this SSD?
A: RAID 1, RAID 10, or RAID 5/6 may be selected depending on performance and redundancy needs. For database workloads, RAID 10 is generally recommended for balanced write performance, fault tolerance, and reliability.