Samsung MZ-WLR7T6B 7.68 TB PM1733a PCIe 4.0 x4 U.2 (2.5") Read Intensive Solid State Drive

General

Brand	Samsung
Model	PM1733a
Capacity	7.68 TB
Usage Class	Read Intensive

Interface

Host Interface	PCIe 4.0 x4
Total Interface Bandwidth	16 Gb/s

Physical Dimension

Form Factor	U.2 (2.5")

Flash & Endurance

NAND Flash	Samsung V-NAND 3-bit TLC
Drive Writes Per Day	1
Total Bytes Written	14016 TBW

Performance

Sequential Read	7000 MB/s
Sequential Write	3800 MB/s
Random Read IOPS	1450000
Random Write IOPS	135000
Average Latency	85 μs

Reliability

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

Part Number

MPN	MZ-V9S1T0BW

Engineer's Note

Compared with MZ-V9S1T0BW, the Samsung PM1733a (MZ-WLR7T6B) is a clear generational step into enterprise storage, combining a 7.68 TB PCIe 4.0 x4 platform with 1 DWPD / 14,016 TBW endurance and up to 7,000 MB/s read plus 1.45M random-read IOPS for far stronger sustained datacenter performance. Its unique value in this class is delivering high-capacity Samsung 3-bit V-NAND TLC with balanced 7,000/3,800 MB/s throughput and enterprise-grade write life, making it a stronger fit than its predecessor for dense virtualization, read-heavy databases, and scale-out analytics nodes.

Endurance & Reliability

With an endurance rating of 14,016 TBW, the MZ-WLR7T6B is designed to handle approximately 14 petabytes of total writes, making it more than sufficient for typical enterprise system, boot, and mixed application workloads. In practical terms, for common real-world usage, procurement teams can expect this drive to deliver many years of service without endurance becoming a concern, especially in read-heavy or balanced environments. Its built-in Power Loss Protection (PLP) helps safeguard in-flight data and metadata during unexpected power interruptions, reducing the risk of corruption and improving system recovery reliability. In addition, the enterprise-class UBER of 1.0E-17, together with a 2 million hour MTBF, indicates very strong data integrity and dependable 24/7 operation for business-critical deployments.

Technical Specs & Insights

1. The PCIe 4.0 x4 interface provides the host bandwidth needed to keep modern virtualized, analytics, and AI server pipelines fed without the storage bus becoming the bottleneck.
2. Its class-leading sequential read performance accelerates large-block workloads such as database snapshots, media streaming, backup restores, and rapid dataset loading.
3. The combination of extremely high random read capability and microsecond-class response time enables faster transaction lookup, lower tail latency, and higher VM density in read-intensive enterprise environments.
4. A 1 DWPD endurance rating makes it a strong fit for mixed-use datacenter deployments that require predictable write sustainability over the full service life without overpaying for heavy-write media.
5. Samsung V-NAND 3-bit TLC delivers an effective balance of capacity, performance, power efficiency, and enterprise-grade reliability for mainstream server and cloud storage tiers.

Capacity Sweet

Lower capacity reference: 3.84 TB Higher capacity reference: 15.36 TB Capacity positioning analysis: In this series, the 7.68 TB model sits at the practical sweet spot. Compared with 3.84 TB, it gives much better headroom for data growth, overprovisioning, and mixed workload consolidation without changing the expected enterprise-class read/write or random IOPS profile. Compared with 15.36 TB, it delivers a more attractive balance of usable capacity, acquisition cost, and fleet-wide budget efficiency while preserving similar performance behavior. It is especially well suited for mid-scale virtualization clusters, such as hosting boot and application volumes for roughly 60 to 90 general-purpose virtual machines per node.

FAQ