Samsung SmartSSD CSD PM991 4TB

Samsung SmartSSD CSD PM991 4TB

Brand: Samsung | Category: Enterprise SSDs

SKU: SAMS-MZXL34T0HBLB00A07 | Part #: MZXL34T0HBLB-00A07 | MPN: MZXL34T0HBLB-00A07

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About the Samsung SmartSSD CSD PM991 4TB

The Samsung SmartSSD Computational Storage Drive (CSD) PM991 4TB represents a fundamental shift in storage architecture by embedding a high-performance FPGA-based compute engine directly within the NVMe SSD enclosure. Rather than routing raw data across the PCIe bus to host CPUs for processing, the PM991 executes data transformation, filtering, compression, decompression, and AI inference kernels locally on-drive. This near-data processing paradigm collapses memory bandwidth bottlenecks and dramatically curtails the volume of data traversing the host interconnect, yielding measurable reductions in host CPU cycles consumed during analytics and inference workloads. The drive adheres to the NVMe CSD command set extensions, enabling standards-compliant integration with Computational Storage aware software stacks.

Built on Samsung's proven V-NAND flash technology and coupled with an advanced NVMe controller, the PM991 delivers enterprise-class sequential read and write throughput alongside the computational fabric necessary for in-storage processing. The integrated FPGA is programmable via industry-standard HDL and high-level synthesis toolflows, allowing enterprises and ISVs to deploy custom acceleration kernels tailored to genomics pipelines, log analytics, columnar database scans, and real-time sensor fusion. Samsung provides a CSD SDK that abstracts FPGA programming complexity, offering pre-built function libraries for common data operations such as regular expression matching, data filtering, compression (LZ4, Zstandard), and floating-point neural network inference.

Targeted at hyperscale data centers, enterprise analytics clusters, and intelligent edge inference nodes, the PM991 4TB is particularly compelling in scale-out deployments where per-server CPU headroom is constrained. By offloading pre-processing and inference tasks to the storage tier, operators can increase rack density, defer CPU platform upgrades, and achieve lower end-to-end query latency on datasets that previously required data movement to dedicated accelerator nodes. The drive ships in a standard U.2 form factor, ensuring broad compatibility with existing server infrastructure and front-loading NVMe backplanes.

Ideal for

  • In-storage columnar database scan acceleration for OLAP workloads, executing predicate pushdown and projection filtering on-drive to reduce data transferred to query engines such as Apache Arrow Flight and Trino.
  • Edge AI inference pipelines where pre-trained neural network models are loaded onto the FPGA fabric to perform real-time classification or anomaly detection on streaming sensor or log data without host CPU involvement.
  • Genomics and bioinformatics sequence alignment preprocessing, offloading FASTQ parsing, quality trimming, and k-mer indexing directly at the storage layer to accelerate pipeline throughput.
  • Security analytics and SIEM platforms leveraging on-drive regex and pattern-matching kernels to filter and classify raw log ingestion streams before escalating relevant events to the host for correlation.
  • Hyperscale object storage tiering with on-drive transparent compression and decompression (LZ4/Zstandard), reducing effective write amplification and reclaiming usable NAND endurance.
  • Content delivery network edge nodes performing real-time transcoding metadata extraction and content fingerprinting at the storage device level to minimize CPU load on high-density serving infrastructure.

Technical specifications

ManufacturerSamsung
Product LineSmartSSD Computational Storage Drive (CSD)
ModelPM991 4TB
Launch Quarter2025-Q3
Form FactorU.2 2.5-inch (15mm)
InterfacePCIe 4.0 x4, NVMe 1.4 with CSD Command Set Extensions
Capacity4TB
NAND TechnologySamsung V-NAND (TLC, multi-layer 3D stacking)
Compute EngineIntegrated FPGA offload engine (programmable via HDL / HLS SDK)
Sequential Read ThroughputUp to 7,000 MB/s
Sequential Write ThroughputUp to 4,200 MB/s
Random Read IOPS (4KB)Up to 1,000,000 IOPS
Random Write IOPS (4KB)Up to 200,000 IOPS
Latency (Read, typical)~120 µs
Latency (Write, typical)~20 µs
DRAM Cache8GB LPDDR5 (dedicated to NVMe controller + FPGA data buffers)
Power Consumption (Active)Up to 25W (combined NVMe + FPGA compute)
Power Consumption (Idle)~5W
Endurance (TBW)7,200 TBW
DWPD1.0 DWPD over 5-year operational life
CSD SDK SupportSamsung SmartSSD CSD SDK; supports OpenCL, Vitis HLS, pre-built libraries for LZ4, Zstandard, regex, FP32/INT8 inference
Security FeaturesAES-256 XTS encryption, TCG Opal 2.0, Secure Erase, Sanitize command support
Operating Temperature0°C to 70°C
MTBF2,000,000 hours
ComplianceNVMe CSD TP 4091, PCIe 4.0, RoHS, CE, FCC, UL

Available from Omnixon Global. Submit an RFQ and our team will confirm configuration and availability for your order.

Technical Specifications

BrandSamsung
CategoryEnterprise SSDs
SKUSAMS-MZXL34T0HBLB00A07
Part NumberMZXL34T0HBLB-00A07
ConditionNew
Product LineSmartSSD Computational Storage Drive (CSD)
ModelPM991 4TB
Launch Quarter2025-Q3
Form FactorU.2 2.5-inch (15mm)
InterfacePCIe 4.0 x4, NVMe 1.4 with CSD Command Set Extensions
Capacity4TB
NAND TechnologySamsung V-NAND (TLC, multi-layer 3D stacking)
Compute EngineIntegrated FPGA offload engine (programmable via HDL / HLS SDK)
Sequential Read ThroughputUp to 7,000 MB/s
Sequential Write ThroughputUp to 4,200 MB/s
Random Read IOPS (4KB)Up to 1,000,000 IOPS
Random Write IOPS (4KB)Up to 200,000 IOPS
Latency (Read, typical)~120 µs
Latency (Write, typical)~20 µs
DRAM Cache8GB LPDDR5 (dedicated to NVMe controller + FPGA data buffers)
Power Consumption (Active)Up to 25W (combined NVMe + FPGA compute)
Power Consumption (Idle)~5W
Endurance (TBW)7,200 TBW
DWPD1.0 DWPD over 5-year operational life
CSD SDK SupportSamsung SmartSSD CSD SDK; supports OpenCL, Vitis HLS, pre-built libraries for LZ4, Zstandard, regex, FP32/INT8 inference
Security FeaturesAES-256 XTS encryption, TCG Opal 2.0, Secure Erase, Sanitize command support
Operating Temperature0°C to 70°C
MTBF2,000,000 hours
ComplianceNVMe CSD TP 4091, PCIe 4.0, RoHS, CE, FCC, UL

Frequently Asked Questions about Samsung SmartSSD CSD PM991 4TB

What does the Samsung SmartSSD CSD PM991 4TB do?

the Samsung SmartSSD CSD PM991 4TB suits enterprise data-center storage tiers — all-flash arrays, hyperconverged storage pools (vSAN, Ceph), database backends, and high-throughput backup repositories. It is supported by major server platforms.

What are the headline specs of the Samsung SmartSSD CSD PM991 4TB?

Key specifications for the Samsung SmartSSD CSD PM991 4TB: new condition; manufacturer Samsung; product line SmartSSD Computational Storage Drive (CSD); model PM991 4TB; launch quarter 2025-Q3; form factor U.2 2.5-inch (15mm); interface PCIe 4.0 x4, NVMe 1.4 with CSD Command Set Extensions. Manufacturer part number MZXL34T0HBLB-00A07. For the full datasheet with electrical, environmental, and compliance details, contact our pre-sales engineering team.