Silicon Power P34A80 512GB NVMe SSD Review (2026)
The Silicon Power P34A80 512GB hits the sweet spot in this Phison E12-based NVMe lineup — enough capacity for a combined OS and game drive, with proven Toshiba 64-layer TLC NAND and consistent write performance.
Controller & Memory
The P34A80 512GB uses the Phison PS5012-E12 eight-channel controller with Toshiba BiCS3 64-layer 3D TLC NAND. This was one of the most widely-used mid-range NVMe platforms from 2018 to 2020, known for delivering consistent sustained writes without the QLC-style performance collapse found in cheaper drives. Silicon Power rates the 512GB model at 3,200 MB/s sequential reads and 3,000 MB/s sequential writes.
The 512GB capacity is the practical minimum for a combined OS and game drive: Windows and essential applications consume roughly 60–80 GB, leaving space for 6–10 AAA games or a mix of applications and media. Endurance is rated at 417 TBW, a meaningful step up from the 256GB model's 125 TBW. The drive is double-sided, with DRAM and NAND on both faces of the M.2 2280 PCB.
The P34A80 family also includes 256GB and 1TB variants, all sharing the same controller and NAND. The 512GB model's main competition comes from other Phison E12 drives like the Corsair MP510 480GB and from in-house controller designs like the WD Black SN750 500GB. Where the P34A80 typically wins is price — Silicon Power's drives are often the most affordable E12 options available.
Storage Comparisons:
P34A80 Performance & Benchmarks
The P34A80 512GB is rated for 3,200 MB/s sequential reads and 3,000 MB/s sequential writes, with 390K random read IOPS and 450K random write IOPS. The 512GB model has enough NAND die to approach the write ceiling consistently, unlike the 256GB variant. The Phison E12 platform's key strength is sustained write performance: the dynamic SLC cache handles burst writes at full speed, and when it fills, native TLC writes maintain roughly 1,500–2,000 MB/s — far better than QLC drives that can drop below 200 MB/s.
Silicon Power P34A80 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.
- 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
- Silicon Power P34A80 512 GB (this drive): 3,200 MB/s read, 3,000 MB/s write
AnandTech's review of the P34A80 with ECFM12.1 firmware found it competitive with other Phison E12 drives, though slightly behind WD's in-house controller in some workloads due to the P34A80's smaller spare area (1024 GB usable vs 960 GB on the Corsair MP510). In everyday desktop use — booting, app launches, game loads — the difference is negligible. The 512GB model is fast enough for any PCIe 3.0 workload short of professional content creation.
Silicon Power P34A80 vs Competitors
See how the P34A80 stacks up against other M.2 3.0 x 4 drives in our database:
Compare with rival drives:
Endurance, TBW & Warranty
Silicon Power rates the P34A80 512GB at 417 TBW with a five-year limited warranty. At a typical consumer write workload of 20–40 GB per day, the endurance budget covers 28 to 57 years. The drive carries Silicon Power's standard warranty service through the retailer or direct RMA process. The five-year coverage is standard for this segment.
Silicon Power P34A80 512 GB Specifications
| Category | Value |
|---|---|
| Capacity [?] | 512 GB |
| Interface [?] | M.2 3.0 x 4 |
| Controller [?] | Phison PSW5012-E12-27 |
| Memory type [?] | Toshiba 64L 3D TLC |
| DRAM [?] | SK Hynix 2x256MB DDR4 |
| Read speed (MB/s) [?] | 3200 |
| Write speed (MB/s) [?] | 3000 |
| Read IOPS [?] | 390000 |
| Write IOPS [?] | 450000 |
| Endurance (TBW) [?] | 417 |
| MTBF (million hours) [?] | 2000000 |
| Warranty (years) [?] | 5 |
Verdict: Is the P34A80 Worth It in 2026?
The Silicon Power P34A80 512GB is the best-value capacity in the P34A80 lineup for most users. It provides enough space for a combined OS and game drive, the Phison E12 and Toshiba TLC hardware delivers consistent sustained writes, and the 417 TBW endurance is generous. The main caveat is age — newer PCIe 4.0 drives offer significantly higher peak speeds, and even within PCIe 3.0, the WD Black SN750 edges it out in some benchmarks. But for builders on a budget who want proven TLC performance without QLC trade-offs, the P34A80 512GB is a solid and reliable choice. If budget allows, the 1TB model offers better endurance and more headroom for larger game libraries.
+ Pros
- 3,200 MB/s reads with consistent TLC sustained writes
- 417 TBW endurance with 5-year warranty
- Phison E12 with Toshiba 64L 3D TLC — proven platform
- DDR4 DRAM cache for reliable random IO
- 512GB sweet spot for OS plus game library
- Cons
- PCIe 3.0 — half the ceiling of Gen4 drives
- Double-sided PCB may limit slim-laptop compatibility
- Newer PCIe 4.0 drives offer significantly more bandwidth
- Smaller spare area than some Phison E12 competitors
- Minimal management software bundled
Buy this or similar SSD Storage:
Video Review
ULTRA FAST M2 NVMe SSD! - Silicon Power P34A80 Review
