Gigabyte M30 512GB — Fast PCIe 3.0 NVMe SSD with 5-Year Warranty
The Gigabyte M30 512GB is a high-performance PCIe 3.0 NVMe SSD that pushes near the interface ceiling with a generous 5-year warranty.
The Gigabyte M30 512GB is a PCIe 3.0 x4 NVMe SSD launched in May 2021 as part of Gigabyte's entry into the consumer storage market. The drive uses an undisclosed controller paired with 3D TLC NAND and 256MB of DDR3L DRAM cache. The DRAM cache gives the M30 an advantage over DRAM-less budget drives, providing more consistent random I/O performance and better sustained write handling.
The 512GB variant is rated at 3,500 MB/s sequential reads and 3,000 MB/s writes — near the practical ceiling for PCIe 3.0 x4. Random read and write IOPS are rated at 308,000 and 332,000 respectively, reflecting a capable controller architecture. The endurance rating is 350 TBW with a 5-year warranty, which is generous for a mid-range drive.
The M30 series launched in two capacities: 512GB and 1TB. The 1TB model shares the same sequential speeds but carries 650 TBW endurance. Gigabyte, best known for motherboards and graphics cards, used the M30 to establish a foothold in the consumer SSD market, competing against drives like the WD Blue SN550, Kingston KC2500, and Crucial P5.
The controller is not disclosed by Gigabyte, which is common for first-party branded drives that source from OEM suppliers. Based on the performance characteristics — 3,500/3,000 MB/s speeds and DRAM cache — it likely uses a Silicon Motion or Phison mid-range controller from the PCIe 3.0 era.
✅ Storage Comparisons:
🚀 Performance and benchmarks
The Gigabyte M30 512GB is rated at up to 3,500 MB/s sequential reads and 3,000 MB/s writes. At 3,500 MB/s, the drive essentially saturates the PCIe 3.0 x4 interface — this is about as fast as a PCIe 3.0 drive can go. The 3,000 MB/s write speed is equally impressive for a 512GB capacity, indicating a well-configured NAND layout with sufficient parallelism across the controller's channels.
Gigabyte M30 512 GB vs M.2 3.0 x 4 peers
Switch between sequential throughput and random IOPS to see how this drive stacks up against other M.2 3.0 x 4 SSDs in our database. The highlighted bar is the drive on this page — click any other bar to open that drive.
- Gigabyte M30 512 GB (this drive): 3,500 MB/s read, 3,000 MB/s write
- ADATA SX 8800 Pro 512 GB: 3,500 MB/s read, 2,700 MB/s write
- ADATA SX 8800 Pro 1 TB: 3,500 MB/s read, 2,700 MB/s write
- ADATA XPG Spectrix S40G RGB 256 GB: 3,500 MB/s read, 3,000 MB/s write
- ADATA XPG Spectrix S40G RGB 512 GB: 3,500 MB/s read, 3,000 MB/s write
Random read and write IOPS are rated at 308,000 and 332,000 respectively. These are strong numbers that place the M30 in the upper tier of PCIe 3.0 mid-range drives. The presence of a 256MB DDR3L DRAM cache is a key factor — it maintains the flash translation layer in fast memory, reducing latency on random reads and writes. In real-world use, this translates to snappy OS responsiveness, fast application launches, and quick game loading.
The SLC cache behavior is not documented for this drive, but drives in this performance class typically employ a generous dynamic SLC cache that can absorb substantial burst writes. On a 512GB drive, the SLC cache could be 50-100 GB or more depending on free space. This means the M30 will sustain its advertised write speeds for typical consumer workloads, with performance only dropping during very large sustained file transfers. Independent reviews of the M30 are limited, but the advertised speeds and IOPS place it competitively against the WD Black SN750 and Kingston KC2500 in the mid-range segment.
🖥️ Endurance and warranty
The Gigabyte M30 carries a 5-year warranty — a full two years longer than the 3-year coverage common on budget drives. This matches the warranty terms of mainstream competitors like the WD Black SN750 and Samsung 970 EVO. The endurance rating is 350 TBW on the 512GB model, which is solid for this capacity. For context, the WD Blue SN550 512GB carries 300 TBW, and the Samsung 970 EVO 512GB carries 300 TBW as well. At typical consumer write loads of 20-50 GB per day, the 350 TBW rating equates to roughly 19-48 years of usage before hitting the endurance limit — well beyond the 5-year warranty period. The 1TB model carries 650 TBW, showing that TBW scales appropriately with capacity in this lineup.
📊 Specs
| Category | Value |
|---|---|
| Capacity [?] | 512 GB |
| Interface [?] | M.2 3.0 x 4 |
| Controller [?] | Silicon Motion SM2262EN |
| Memory type [?] | 3D TLC |
| DRAM [?] | 2GB DDR3l and SLC caching |
| Read speed (MB/s) [?] | 3500 |
| Write speed (MB/s) [?] | 3000 |
| Read IOPS [?] | 308000 |
| Write IOPS [?] | 332000 |
| Endurance (TBW) [?] | 350 |
| MTBF (million hours) [?] | 2 |
| Warranty (years) [?] | 5 |
Conclusion
The Gigabyte M30 512GB is a strong mid-range PCIe 3.0 NVMe SSD that saturates the interface with 3,500/3,000 MB/s speeds and backs it with a generous 5-year warranty. The DRAM cache and 3D TLC NAND provide solid endurance and consistent performance. Gigabyte's limited track record in the SSD market is the main caveat — while their motherboard and GPU divisions are well-established, the SSD division is relatively new. If you can find the M30 at a competitive price, it's a compelling alternative to the WD Black SN750 and Kingston KC2500.
+ Pros
- 3,500 MB/s reads saturates PCIe 3.0 x4 interface
- 256MB DDR3L DRAM cache for consistent performance
- 350 TBW endurance with 5-year warranty
- 3D TLC NAND (more durable than QLC)
- Strong random IOPS (308K read / 332K write)
- Cons
- Controller not disclosed by Gigabyte
- Limited SSD track record from Gigabyte
- Scarce independent reviews available
- 512GB capacity limiting for large game libraries
- PCIe 3.0 — outpaced by PCIe 4.0 alternatives
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✨ Video Review
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