Samsung 990 EVO Plus 4TB NVMe M.2 SSD With PCIe 4.0 x4 / 5.0 x2, 7,250MB/s Read, 6,300MB/s Write, 1.4M IOPS, V-NAND TLC, HMB Cache, AES-256, 2,400TBW | MZ-V9S4T0BW
635 $
Categories: EZONE SOFTWARE UPDATED, HDD/SSD/NVME, NVME PCIE & SATA SSD
EXPERT FEATURES
- 4TB High-Capacity Storage : Packs 4,000GB of fast solid-state storage for large game libraries, high-resolution media, creative projects, applications, and heavyweight work files without constantly playing storage Tetris.
- Up To 7,250MB/s Sequential Read : Delivers extremely fast sequential read performance for rapid loading, file access, application startup, and high-throughput workloads on a properly configured compatible system.
- Up To 6,300MB/s Sequential Write : Handles large file transfers, installations, exports, and demanding write-heavy tasks at speeds reaching 6,300MB/s with Intelligent TurboWrite active under supported conditions.
- High Random Performance : Reaches up to 1,050,000 random-read IOPS and 1,400,000 random-write IOPS, helping improve responsiveness during multitasking, game loading, and application-heavy workflows.
- PCIe 4.0 And PCIe 5.0 Flexibility : Supports PCIe 4.0 x4 and PCIe 5.0 x2 through the NVMe 2.0 interface, giving compatible modern systems flexible high-bandwidth installation options.
- PCIe 3.0 Backward Compatibility : Can operate in compatible PCIe 3.0 x4 systems, although actual speed will be limited by the older interface and the host system’s hardware configuration.
- Samsung V-NAND TLC : Uses Samsung V-NAND TLC flash memory and an in-house Samsung controller for tightly integrated performance, firmware management, and reliability.
- Host Memory Buffer Design : Uses HMB to access a small portion of compatible system memory for SSD management, delivering efficient performance without requiring a separate onboard DRAM cache.
- Intelligent TurboWrite 2.0 : Enlarged TurboWrite technology accelerates supported write operations and helps the 4TB model process large datasets, game installations, and graphics-heavy files more efficiently.
- Improved Power Efficiency : Provides up to 73% more performance per watt than the previous 990 EVO, reducing power demands while maintaining thermal control and sustained everyday performance.
- Compact M.2 2280 Format : Measures a maximum of 80.15 × 22.15 × 2.38mm and weighs up to 9g, fitting compatible desktops and laptops equipped with an NVMe-capable M.2 2280 slot.
- AES-256 Hardware Encryption : Supports AES 256-bit full-disk encryption, TCG/Opal 2.0, and Microsoft Encrypted Drive IEEE 1667 for compatible secured-system deployments.
- Samsung Magician Management : Samsung Magician supports drive-health monitoring, performance optimisation, firmware updates, security functions, and data-migration tools for easier SSD maintenance.
- 2,400TBW Endurance : The 4TB model carries an endurance rating of 2,400 terabytes written, backed by a one-year limited warranty or the TBW limit, whichever is reached first.





EXPERT SPECS
The specifications below consolidate Samsung’s official product page and official 990 EVO Plus technical datasheet for model MZ-V9S4T0BW.
| Specification | Value |
|---|---|
| Product Name | Samsung SSD 990 EVO Plus |
| Exact Model Code | MZ-V9S4T0BW |
| Storage Capacity | 4,000GB |
| Application | Client PCs |
| Form Factor | M.2 2280 |
| Interface | PCIe 4.0 x4 / PCIe 5.0 x2 |
| NVMe Standard | NVMe 2.0 |
| Backward Compatibility | PCIe 4.0 x4 And PCIe 3.0 x4 |
| Storage Memory | Samsung V-NAND TLC |
| Controller | Samsung In-House Controller |
| Cache Memory | HMB — Host Memory Buffer |
| Sequential Read Speed | Up To 7,250MB/s |
| Sequential Write Speed | Up To 6,300MB/s |
| Random Read Performance | Up To 1,050,000 IOPS, 4KB QD32 |
| Random Write Performance | Up To 1,400,000 IOPS, 4KB QD32 |
| Write-Acceleration Technology | Intelligent TurboWrite 2.0 |
| Power-Efficiency Improvement | Up To 73% More MB/s Per Watt Than 990 EVO |
| Dimensions | Maximum 80.15 × 22.15 × 2.38mm |
| Weight | Maximum 9g |
| Average Active Read Power | 5.5W |
| Average Active Write Power | 4.8W |
| Typical Idle Power | 60mW With APST Enabled |
| Device-Sleep Power | 5mW |
| Allowable Voltage | 3.3V ±5% |
| Operating Temperature | 0°C To 70°C |
| Non-Operating Temperature | -40°C To 85°C |
| Operating Humidity | 5% To 95%, Non-Condensing |
| Shock Resistance | 1,500G For 0.5ms |
| Non-Operating Vibration | 20Hz To 2,000Hz, 20G |
| Reliability | 1.5 Million Hours MTBF |
| TRIM Support | Yes, With Compatible Operating-System Support |
| S.M.A.R.T. Support | Yes |
| Garbage Collection | Automatic Garbage Collection Algorithm |
| Device Sleep Support | Yes |
| AES Encryption | AES 256-Bit Full-Disk Encryption |
| TCG Security | TCG/Opal 2.0 |
| Encrypted Drive Support | IEEE 1667 |
| WWN Support | No |
| SSD Management Software | Samsung Magician |
| Endurance Rating | 2,400TBW |
| Warranty | One Years Or 2,400TBW, Whichever Comes First |
| Installation Kit | Not Included |
| Compatibility Requirement | NVMe-Capable M.2 2280 Slot; Not Intended For SATA-Only M.2 Interfaces |
| Performance Notice | Actual Performance Varies By Interface, Firmware, Hardware, Cooling, Operating System, And Configuration |
| Capacity Notice | Actual Usable Capacity Is Lower After Formatting, System Files, And Maintenance Allocation |
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