| Brand | Samsung |
|---|---|
| Model | PM1743 |
| Capacity | 7.68 TB |
| Usage Class | Enterprise/Read-Intensive |
| Host Interface | PCIe 5.0 x4, NVMe 2.0 |
|---|---|
| Total Interface Bandwidth | 128 Gb/s |
| Form Factor | E3.S (7.5mm) |
|---|
| NAND Flash | Samsung V7 (176L) TLC |
|---|---|
| Drive Writes Per Day | 1 |
| Total Bytes Written | 14016 TBW |
| Sequential Read | 13000 MB/s |
|---|---|
| Sequential Write | 6600 MB/s |
| Random Read IOPS | 2500000 |
| Random Write IOPS | 250000 |
| Average Latency | 60 μs |
| Mean Time Between Failures | 2.5 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZ-QL27T60 |
|---|
Compared with the previous-generation MZ-QL27T60, the PM1743 (MZ3LO7T6HBLT) advances to PCIe 5.0 x4 and NVMe 2.0, effectively doubling interface bandwidth headroom while delivering up to 13,000 MB/s sequential read and 2,500,000 random-read IOPS. With 7.68 TB of Samsung V7 176-layer TLC and enterprise endurance of 1 DWPD / 14,016 TBW, it is a stronger choice than its predecessor for AI data staging, real-time analytics, and dense virtualized infrastructure that need higher throughput without sacrificing write life.
With an endurance rating of 14,016 TBW and 1 DWPD, the MZ3LO7T6HBLT is built to handle sustained daily write activity well beyond the needs of a typical OS, boot, or general server system drive. In practical terms, for common enterprise workloads that are read-heavy or moderate in write intensity, this level of endurance provides long-term operating headroom and helps ensure worry-free use over many years. For enterprise reliability, built-in Power Loss Protection (PLP) helps preserve in-flight data and critical mapping information during an unexpected power interruption, reducing the risk of corruption or incomplete writes. Its UBER rating of 1.0E-17 means an extremely low probability of unrecoverable read errors, and together with the 2.5 million hour MTBF, it supports the high data integrity and stability procurement teams expect from a data-center SSD.
1. The PCIe 5.0 x4 interface with NVMe 2.0 gives this drive enough host bandwidth to keep modern GPU servers, real-time analytics nodes, and dense virtualization clusters fed without the storage bus becoming the bottleneck.
2. Its top-tier sequential read speed sharply reduces large-file movement time, accelerating AI model loading, checkpoint restores, media streaming, and backup recovery in data-intensive environments.
3. The extremely high random read capability enables consistently fast access to small-block data, making it well suited for OLTP databases, metadata-heavy cloud platforms, and read-intensive inference workloads.
4. A 1 DWPD endurance rating provides predictable write sustainability for mainstream enterprise deployments, balancing fleet reliability with cost efficiency for mixed-use server and cloud workloads.
5. Built on Samsung V7 176-layer TLC NAND and backed by very low typical latency, it delivers a strong mix of density, response consistency, and flash efficiency for latency-sensitive enterprise applications.
Lower capacity reference: 3.84 TB Higher capacity reference: 15.36 TB Capacity positioning analysis: In this enterprise SSD family, 7.68 TB is the sweet-spot capacity. Compared with 3.84 TB, it gives much better headroom for data growth, higher VM density, and longer refresh cycles without changing the familiar enterprise-class sequential read/write and random IOPS profile. Compared with 15.36 TB, it usually delivers the best balance between acquisition cost, usable capacity, and predictable performance under mixed workloads. It is especially well suited for mid-scale virtualization clusters, database nodes, or software-defined storage pools serving roughly 40 to 70 business applications.
Q: Is MZ3LO7T6HBLT suitable for a write-heavy database server?
A: Yes, it is suitable for many enterprise database workloads. With 1 DWPD, 14,016 TBW, low 60 µs latency, and Samsung 176-layer TLC NAND, it supports consistent mixed-read/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 DWPD, meaning it can sustain one full 7.68 TB drive write per day across its warranty period, within the specified endurance limits.
Q: Does it include power loss protection (PLP) and why is that critical?
A: Yes, it includes PLP. Power loss protection helps preserve in-flight data and metadata during sudden outages, which is critical for preventing corruption and maintaining storage integrity in servers.
Q: What RAID level is recommended for this SSD?
A: RAID selection depends on your priority. RAID 1 or RAID 10 is typically recommended for databases needing strong redundancy and performance, while RAID 5 or 6 suits capacity-focused deployments.