Samsung MZWLR3T8HBLS 3.84 TB PM1733 PCIe Gen4 x4 U.2 (2.5") Read Intensive Solid State Drive

General

Brand	Samsung
Model	PM1733
Capacity	3.84 TB
Usage Class	Read Intensive

Interface

Host Interface	PCIe Gen4 x4
Total Interface Bandwidth	64 Gb/s

Physical Dimension

Form Factor	U.2 (2.5")

Flash & Endurance

NAND Flash	Samsung V-NAND 5th-Gen 9x-Layer 3D TLC
Drive Writes Per Day	1
Total Bytes Written	7008 TBW

Performance

Sequential Read	7000 MB/s
Sequential Write	3800 MB/s
Random Read IOPS	1450000
Random Write IOPS	115000
Average Latency	95 μs

Reliability

Mean Time Between Failures	2 Million Hours
Uncorrectable Bit Error Rate	1.0×10⁻¹⁷
Power Loss Protection	Yes

Part Number

MPN	MZWLR3T8HBLS-00007

Engineer's Note

Compared with the earlier MZWLR3T8HBLS-00007 revision, the PM1733 MZWLR3T8HBLS advances to Samsung 5th-Gen 9x-Layer V-NAND on a PCIe Gen4 x4 platform, delivering up to 7,000/3,800 MB/s and 1,450,000/115,000 IOPS for clearly higher throughput and transaction density. At 3.84 TB with 1 DWPD and 7,008 TBW, it offers a distinctive balance of Gen4-class read performance and enterprise TLC endurance, making it a stronger choice than prior-generation drives for latency-sensitive virtualization, analytics, and mixed-read database workloads.

Endurance & Reliability

With an endurance rating of 7008 TBW, this SSD is built to handle approximately 7.0 petabytes of total writes, which is equivalent to writing the full 3.84 TB capacity about once per day over five years. In typical enterprise or mixed-read workloads, that provides substantial headroom, making it a very safe choice for OS, boot, application, and general server storage use over a long service life. For enterprise reliability, power loss protection (PLP) helps preserve in-flight data and metadata during an unexpected power failure, reducing the risk of corruption and improving operational safety. Its UBER of 1.0E-17 indicates an extremely low unrecoverable bit error rate, and together with a 2 million hour MTBF, it reflects the high data integrity and stability expected from enterprise-class SSDs.

Technical Specs & Insights

1. The PCIe Gen4 x4 host interface unlocks full modern server backplane bandwidth, enabling much faster dataset streaming, VM boot storms, and checkpoint loading than prior-generation enterprise drives.
2. Its class-leading sequential read performance helps analytics clusters, content delivery nodes, and AI inference servers pull large files into memory with minimal wait time.
3. The exceptionally high random read capability is ideal for metadata-heavy databases, virtualization farms, and high-concurrency web platforms where transaction responsiveness depends on rapid small-block access.
4. With an endurance profile tuned for one full drive rewrite per day, it fits mixed-read enterprise workloads that need predictable lifespan and lower replacement risk without overpaying for extreme write endurance.
5. Samsung’s advanced V-NAND TLC architecture and low typical latency deliver a strong balance of density, consistency, and flash efficiency, making it well suited for latency-sensitive cloud and enterprise storage tiers.

Capacity Sweet

Lower capacity reference: 1.92 TB Higher capacity reference: 7.68 TB At 3.84 TB, this model sits at the sweet spot of the series. Compared with the 1.92 TB version, it provides much better capacity headroom for OS images, application stacks, logs, and moderate data growth, reducing early replacement pressure. Compared with the 7.68 TB option, it delivers a more attractive balance of acquisition cost, usable capacity, and enterprise-grade performance consistency, since sequential throughput and random IOPS remain broadly similar across the range. It is especially well suited for mid-scale virtualization clusters, database nodes, or around 40 to 60 mixed-use business application instances.

FAQ