As modern computing workloads demand more from storage systems, Samsung continues to push the boundaries with cutting-edge SSDs that deliver both speed and reliability. The Samsung 990 Pro 4TB M.2 NVMe SSD, part number MZ-V9P4T0BW, is a high-performance internal drive designed to meet the needs of professionals, gamers, and creatives alike. It’s tailored for systems that need a perfect mix of blazing-fast read/write speeds, large capacity, and PCIe Gen4 support — all in a compact M.2 2280 form factor. This Samsung hard drive doesn’t come with a heatsink, making it ideal for users who plan to install it in laptops or small form-factor desktops where thermal solutions are built-in or customized.
This premium 4TB drive is one of the best Samsung offers in the PCIe 4.0 x4 category.
Full Overview of the Samsung 990 Pro 4TB M.2 NVMe SSD
The Samsung 990 Pro 4TB M.2 NVMe SSD stands as a flagship in Samsung’s consumer and prosumer NVMe line. Designed for Gen4 PCIe systems, it delivers insane speed up to 7,450 MB/s sequential read and 6,900 MB/s write, utilizing Samsung’s in-house V-NAND (8th-gen) and PASC (Samsung Pascal controller) architecture. This model, MZ-V9P4T0BW, is engineered for users who want the best of what PCIe 4.0 offers — speed, longevity, and efficiency — without a heatsink that could interfere with airflow or compact designs.
With a generous 4TB capacity, this SSD is particularly suitable for content creators dealing with high-resolution video, professional 3D modelers, engineers using CAD tools, and hardcore gamers with large game libraries. Samsung’s dynamic thermal guard ensures performance remains stable under load, even without the heatsink.
The SSD is compliant with the NVMe 2.0 protocol, enabling enhanced queue management and power efficiency. It also supports full hardware-based AES 256-bit encryption, making it viable for enterprise environments as well.
Detailed Product Features
- Capacity: 4TB
- Form Factor: M.2 2280
- Interface: PCIe Gen4 x4, NVMe 2.0
- Sequential Read: Up to 7,450 MB/s
- Sequential Write: Up to 6,900 MB/s
- Random Read IOPS (QD32): Up to 1,600K
- Random Write IOPS (QD32): Up to 1,550K
- TBW (Total Bytes Written): Up to 2,400 TB
- Encryption: AES 256-bit encryption (TCG Opal & IEEE 1667)
- Controller: Samsung Pascal Controller
- NAND: Samsung V-NAND 3-bit MLC (8th Gen)
- DRAM Cache: Samsung LPDDR4 4GB
- Warranty: 2 years limited
Use Cases: Who Should Buy the Samsung 990 Pro 4TB?
The Samsung 990 Pro 4TB M.2 NVMe SSD is a top choice for a wide range of users:
- Content Creators: 4K/8K video editing, 3D modeling, and raw photo processing demand consistent high-speed performance, which this SSD delivers effortlessly.
- Gamers: With game installs easily exceeding 100GB, a 4TB SSD eliminates storage anxiety while delivering near-instant loading times.
- Power Users: Running virtual machines, databases, or intensive development environments? This SSD ensures performance doesn’t lag.
- Laptop Users: Since this model lacks a heatsink, it’s a better fit for ultrabooks or gaming laptops where internal cooling is optimized.
Ports & Interface
This SSD uses a PCIe 4.0 x4 interface, compatible with most modern motherboards and laptops supporting Gen4 NVMe slots. It’s backward compatible with PCIe 3.0, but users should expect lower performance when installed in such environments. The M.2 connector (M key) is standard for NVMe SSDs, ensuring widespread compatibility.
It’s important to note that this model does not include a heatsink, which makes it flexible for use in tight builds or laptops but may require thermal consideration in high-performance desktops without airflow optimization.
Practical Tips for Power Users
Optimize Thermal Management Without a Heatsink
Because this version of the Samsung 990 Pro 4TB M.2 NVMe SSD does not include a heatsink, users should:
- Ensure airflow in desktops is optimized (e.g., fans directed over M.2 slots).
- Use thermal pads or motherboard-integrated heatsinks if available.
- Monitor temperatures with Samsung Magician software during high-load tasks.
Maximize Lifespan with Firmware & TRIM
Regularly update the firmware using Samsung Magician and ensure TRIM is enabled in your OS. This keeps performance consistent and improves longevity.
Comparison with Similar Samsung Models
| Feature | 990 Pro 4TB | 990 Pro 2TB | 980 Pro 2TB | 990 EVO Plus 4TB |
|---|---|---|---|---|
| Interface | PCIe 4.0 x4 | PCIe 4.0 x4 | PCIe 4.0 x4 | PCIe 4.0/5.0 x2 |
| Sequential Read (MB/s) | 7,450 | 7,450 | 7,000 | 5,000 |
| Sequential Write (MB/s) | 6,900 | 6,900 | 5,100 | 4,200 |
| DRAM | 4GB LPDDR4 | 2GB LPDDR4 | 2GB LPDDR4 | No DRAM |
| TBW | 2,400 TB | 1,200 TB | 1,200 TB | 1,200 TB |
| Heatsink | No | Optional | Optional | No |
| Price Range (est.) | $$$$ | $$$ | $$ | $ |
The 990 Pro 4TB offers the best endurance and speed across Samsung’s consumer NVMe lineup — ideal for high-performance and high-capacity needs.
Technical Specifications Table
| Specification | Detail |
|---|---|
| Model | Samsung 990 Pro 4TB (MZ-V9P4T0BW) |
| Capacity | 4TB |
| Interface | PCIe 4.0 x4 |
| Protocol | NVMe 2.0 |
| Form Factor | M.2 2280 |
| Controller | Samsung Pascal |
| NAND Flash | Samsung V-NAND 3-bit MLC (8th Gen) |
| DRAM | 4GB LPDDR4 |
| Sequential Read | Up to 7,450 MB/s |
| Sequential Write | Up to 6,900 MB/s |
| Random Read (QD32) | Up to 1,600K IOPS |
| Random Write (QD32) | Up to 1,550K IOPS |
| Total Bytes Written (TBW) | 2,400 TB |
| MTBF | 1.5 million hours |
| Encryption | AES 256-bit, TCG/Opal 2.0 |
| Operating Temperature | 0°C to 70°C |
| Warranty | 2 Years Limited Warranty |
| Heatsink Included | No |
FAQ – Samsung 990 Pro 4TB M.2 NVMe SSD
1. Is the Samsung 990 Pro 4TB compatible with PCIe 3.0 systems?
Yes, it’s backward compatible but will operate at lower speeds.
2. Does this SSD come with a heatsink?
No, this model (MZ-V9P4T0BW) does not include a heatsink.
3. Can it be used in PlayStation 5?
It physically fits but is not recommended unless paired with a third-party heatsink, as PS5 requires cooling.
4. What software is available for management?
Samsung Magician allows monitoring, firmware updates, secure erase, and performance optimization.
5. Is it good for video editing?
Yes, its speed and 4TB capacity make it ideal for 4K/8K video workflows.
6. How does it perform compared to the 980 Pro?
The 990 Pro offers better read/write speeds, endurance, and thermal efficiency.
7. Can I use it in laptops?
Yes, it’s ideal for laptops due to the absence of a heatsink and its thin M.2 2280 form factor.
8. Does it have built-in encryption?
Yes, it supports AES 256-bit hardware encryption.
9. How long is the warranty?
5 years or until you reach 2,400TB of data written, whichever comes first.
10. Can I clone my existing drive to this SSD?
Yes, Samsung Data Migration software helps transfer your OS and data easily.
Final Thoughts: Should You Buy the Samsung 990 Pro 4TB?
If you need a large-capacity, ultra-fast SSD for professional workloads, media-heavy projects, or future-proof gaming builds, the Samsung 990 Pro 4TB M.2 NVMe SSD (MZ-V9P4T0BW) is a top-tier choice. Despite lacking a heatsink, its raw speed, efficiency, and durability more than make up for it — especially in compact systems or when paired with integrated cooling solutions. Available now at ITMan, this drive is ready to take your system’s storage performance to a new level.
Jacob Miller –
Super fast SSD with excellent storage capacity Installation was simple and the performance is incredible Price is a bit high but worth it for what you get Packaging was solid and the delivery came on time