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| Brand | Samsung |
|---|---|
| Model | PM853T |
| 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 | 0.3 |
| Total Bytes Written | 165 TBW |
| Sequential Read | 530 MB/s |
|---|---|
| Sequential Write | 270 MB/s |
| Random Read IOPS | 87000 |
| Random Write IOPS | 15000 |
| Average Latency | 120 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZ7GE240HMGR-00003 |
|---|
Compared with the earlier MZ7GE240HMGR-00003, the MZ7GE240HMGR-00005 refreshes the PM853T with Samsung V-NAND 3D TLC, delivering a stronger enterprise balance of 165 TBW endurance at 0.3 DWPD plus up to 87,000/15,000 random read/write IOPS and 530/270 MB/s sequential performance. Its distinct value in the SATA class is dependable read-centric efficiency for boot volumes, edge servers, and scale-out storage nodes, where it offers better endurance consistency and higher practical random-read responsiveness than prior PM853T revisions without changing the 6Gb/s infrastructure.
With an endurance rating of 165 TBW, this SSD can sustain about 45 GB of host writes per day for 10 years, or roughly 90 GB per day over 5 years, which is more than enough for typical OS, office, and general application workloads. For procurement planning, this means it is a safe and practical choice as a system or boot drive in light-to-moderate write environments, with comfortable endurance headroom for long-term daily use. Its built-in power loss protection (PLP) helps preserve in-flight data and critical mapping information during an unexpected power failure, greatly reducing the risk of corruption and improving restart reliability. The 1.0E-17 UBER, together with a 2 million-hour MTBF, reflects strong enterprise-class data integrity and operational stability, giving added confidence for business deployments.
1. The SATA interface makes this drive a drop-in upgrade for legacy enterprise servers and storage arrays, enabling cost-efficient modernization without changing backplanes or controllers.
2. Its near bus-limited sequential read performance helps accelerate boot storms, bulk data retrieval, and VM image loading in read-heavy infrastructure.
3. Strong random read capability translates into faster metadata lookups, snappier database queries, and better responsiveness for virtualized multi-tenant workloads.
4. This endurance profile is best suited to read-centric enterprise use cases such as content delivery, reference databases, and analytics tiers where write pressure is moderate and predictable.
5. Samsung’s 3D TLC V-NAND combined with low typical latency provides a balanced mix of density, power efficiency, and consistently quick access times for scalable data center deployments.
Lower capacity reference: 120 GB Higher capacity reference: 480 GB Within this SSD family, the 240 GB model sits at the practical sweet spot. Compared with the 120 GB version, it gives noticeably better headroom for OS images, logs, patches, and application growth, reducing the risk of early capacity pressure. Compared with the 480 GB version, it keeps acquisition cost and power footprint more controlled while still delivering broadly similar enterprise-class read/write and random IOPS behavior. This makes 240 GB a strong fit for small-to-mid virtualization clusters, edge servers, or boot-plus-cache tiers for roughly 20 to 40 application instances.
Q: Is MZ7GE240HMGR-00005 suitable for a write-heavy database server?
A: Not ideally. With 0.3 DWPD and 165 TBW, this 240GB SATA SSD is better for read-intensive or mixed workloads than sustained write-heavy database server environments.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: It is rated for 0.3 DWPD, meaning about 0.3 full drive writes per day on average over the warranty period, consistent with its 165 TBW endurance specification.
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 improving reliability in business-critical storage applications.
Q: What RAID level is recommended for this SSD?
A: For most business deployments, RAID 1 or RAID 10 is recommended for redundancy and performance. RAID 5 is possible, but parity writes may increase write amplification and wear.