# Mushkin Gamma 2TB Review — High-Capacity PCIe 4.0 Flagship (2026)

The Mushkin Gamma 2TB is the high-capacity variant of Mushkin's flagship PCIe 4.0 NVMe SSD, packing the Phison E18 controller, 2 GB of DRAM, and 1,400 TBW endurance into a double-sided M.2 2280 drive.

Quick answer: The Mushkin Gamma 2TB is a flagship PCIe 4.0 SSD that delivers on every metric that matters: near-maximum read speeds, class-leading write speeds, generous DRAM cache, and industry-standard endurance and warranty. The 2TB capacity makes it suitable for power users, content creators, and gamers with large libraries. The 6,800 MB/s write speed puts it ahead of the 1TB model and on par with the best PCIe 4.0 drives available. The double-sided PCB and lack of an included heatsink are the only compromises. If your system has adequate M.2 clearance and cooling, the Gamma 2TB is a compelling alternative to the more expensive Samsung 980 Pro and WD Black SN850X.

## Specifications

| Specification | Value |
| --- | --- |
| Capacity | 2 TB |
| Interface | M.2 4.0 x 4 |
| Controller | Phison PS5018 E18 |
| Memory type | Micron 3D TLC |
| DRAM cache | SK Hynix 2GB DDR4 |
| Sequential read | 7175 MB/s |
| Sequential write | 6800 MB/s |
| Random read IOPS | 640000 |
| Random write IOPS | 630000 |
| Endurance | 1400 TBW |
| MTBF | 1.6 |
| Warranty | 5 years |

## Performance

The Mushkin Gamma 2TB is rated at up to 7,175 MB/s sequential reads and 6,800 MB/s sequential writes, with 640,000 IOPS random reads and 630,000 IOPS random writes. These are near the maximum numbers any PCIe 4.0 x4 drive can achieve — only a handful of drives push the read speed higher, and the 6,800 MB/s write speed is among the fastest in the generation.

The 2TB capacity's advantage over the 1TB model is most visible in write performance. Where the 1TB tops out at 5,600 MB/s writes, the 2TB hits 6,800 MB/s — a 21 percent improvement that comes from having more NAND channels active in parallel. For sustained workloads, this means faster file copies, quicker video renders, and shorter export times in content-creation applications.

In TweakTown's independent lab testing of the Gamma 2TB, the drive delivered strong results across the benchmark suite, with particularly impressive sequential write scores and competitive gaming load times. The 2 GB DDR4 DRAM cache keeps the flash translation layer mapping table on-die, delivering consistent random 4K performance that DRAM-less drives can't match under mixed workloads.

The SLC cache on the 2TB model is dynamic and scales with free capacity. On a 2 TB drive with substantial free space, the pseudo-SLC buffer can exceed 400 GB — enough that most users will never exhaust it in normal use. Once the cache fills, sustained direct-TLC write speeds on the Phison E18 platform typically range from 1,500 to 2,000 MB/s, which is still fast enough for demanding workflows.

Thermally, the Gamma 2TB runs warm under sustained loads. The Phison E18 is a power-hungry controller, and the drive's 70°C thermal throttling threshold can be reached during extended write operations without adequate cooling. A motherboard M.2 heatsink or third-party thermal solution is recommended for desktop installations.

## Endurance, TBW & Warranty

Mushkin covers the Gamma 2TB with a 5-year limited warranty and a 1,400 TBW endurance rating — double the 1TB model's 700 TBW. At 1,400 TBW, you could write roughly 766 GB per day across the five-year warranty period before reaching the rated limit. For a typical desktop workload of 20–50 GB per day, the 2TB model would take 76 to 192 years to reach 1,400 TBW, making endurance a complete non-issue for any consumer use case. Even a professional video editor writing 200 GB daily would take 19 years to reach the TBW limit. The 5-year warranty matches the industry standard for flagship drives from Samsung, Western Digital, and Corsair. Mushkin rates the drive at 1.6 million hours MTBF. As a retail brand, Mushkin handles warranty claims directly, making the RMA process straightforward compared to OEM-only drives that route through system manufacturers.

## Pros and Cons

**Pros:**

- 7,175 MB/s reads, 6,800 MB/s writes — near PCIe 4.0 maximum
- 2 GB SK Hynix DDR4 DRAM cache
- 5-year warranty with 1,400 TBW endurance
- 2TB capacity for large game libraries and media
- AES 256-bit hardware encryption
- Strong sustained write performance
**Cons:**

- Double-sided PCB may not fit thin laptops
- No included heatsink — runs warm under sustained load
- Phison E18 platform is aging vs newer controllers
- Premium price for 2TB capacity


## Verdict

The Mushkin Gamma 2TB is a flagship PCIe 4.0 SSD that delivers on every metric that matters: near-maximum read speeds, class-leading write speeds, generous DRAM cache, and industry-standard endurance and warranty. The 2TB capacity makes it suitable for power users, content creators, and gamers with large libraries. The 6,800 MB/s write speed puts it ahead of the 1TB model and on par with the best PCIe 4.0 drives available. The double-sided PCB and lack of an included heatsink are the only compromises. If your system has adequate M.2 clearance and cooling, the Gamma 2TB is a compelling alternative to the more expensive Samsung 980 Pro and WD Black SN850X.

## Frequently Asked Questions

### Is the Mushkin Gamma 2TB good for gaming?

Yes, the Mushkin Gamma 2TB is excellent for gaming. The 2TB capacity holds 20+ modern games alongside your OS and applications. The 7,175 MB/s read speed delivers fast load times, and independent testing by TweakTown found the Gamma series achieved top-tier gaming performance among PCIe 4.0 SSDs. It supports DirectStorage for compatible Windows 11 titles. The only consideration is whether your system can accommodate a double-sided M.2 2280 drive.

### Does the Mushkin Gamma 2TB have DRAM?

Yes, the Mushkin Gamma 2TB includes 2 GB of SK Hynix DDR4 DRAM cache. This dedicated DRAM chip stores the flash translation layer on-die, providing more consistent random 4K performance and better sustained write speeds than DRAM-less drives that rely on HMB. The 2 GB capacity is generous for a 2TB SSD and matches the DRAM allocation found in competing flagship drives like the Samsung 980 Pro 2TB.

### What is the TBW endurance of the Mushkin Gamma 2TB?

The Mushkin Gamma 2TB is rated at 1,400 TBW (terabytes written), covered by a 5-year limited warranty. At 1,400 TBW, you could write roughly 766 GB per day for five years before reaching the rated limit. For a typical desktop workload of 20–50 GB per day, the drive would last 76 to 192 years — far beyond any practical concern. The 1TB model is rated at 700 TBW, half the 2TB's endurance.

### Does the Mushkin Gamma 2TB need a heatsink?

A heatsink is strongly recommended for desktop use. The Phison E18 controller generates significant heat under sustained workloads, and the Gamma's thermal throttling threshold is 70°C. Without a heatsink or motherboard M.2 thermal guard, the drive can approach this limit during extended file transfers. Most mid-range and above motherboards include M.2 heatsinks — use them. In laptops with built-in thermal pads, the drive typically stays within safe limits.

### Is the Mushkin Gamma 2TB compatible with the PS5?

The Mushkin Gamma 2TB meets Sony's core PS5 expansion requirements: PCIe 4.0 NVMe with a 7,175 MB/s read speed (well above the 5,500 MB/s minimum). It's M.2 2280 and 3.8 mm thick, fitting within Sony's 11.25 mm maximum with heatsink. You'll need to attach an M.2 heatsink separately for PS5 installation. Sony does not list this specific model on its official compatibility page, but it meets the published technical requirements.

### How does the Mushkin Gamma 2TB compare to the Corsair MP600 Pro 2TB?

The Mushkin Gamma 2TB and Corsair MP600 Pro 2TB share the same hardware platform: Phison E18 controller, Micron 96-layer 3D TLC NAND, and 2 GB DRAM cache. Both are rated at 7,175 MB/s reads and 6,800 MB/s writes, with 1,400 TBW endurance and a 5-year warranty. The differences come down to firmware tuning and branding. Corsair offers a heatsink variant (MP600 Pro XT) that the Gamma line doesn't currently match, but in raw performance, the drives are essentially equivalent.

### Will the Mushkin Gamma 2TB fit in a laptop?

The Mushkin Gamma 2TB uses the standard M.2 2280 form factor but has a double-sided PCB with NAND packages on both sides. Many thin laptops and ultrabooks only support single-sided M.2 drives due to clearance constraints. Before installing the Gamma 2TB in a laptop, verify that your system accepts double-sided M.2 2280 drives. If your laptop requires single-sided drives, consider alternatives like the Samsung 980 (non-Pro) or WD Blue SN580, which are single-sided.

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Last updated: 2026-05-17. Source: https://ssdrive.net/mushkin-gamma-2-tb