Intel Optane SSD 905P 480GB Review (2026)
The Intel Optane 905P 480GB is the mid-capacity model in Intel's second-generation Optane consumer line, offering 480 GB of low-latency 3D XPoint storage with 11,680 TBW endurance.
Controller & Memory
The 905P 480 GB uses Intel's second-generation 3D XPoint memory with the Intel EAU01D76 controller. Like all Optane drives, 3D XPoint is bit-addressable phase-change memory that delivers consistent random I/O latency without requiring an SLC write cache. The drive is available in AIC or U.2 2.5-inch form factors connected via PCIe 3.0 x4.
Sequential throughput reaches 2,600 MB/s reads and 2,200 MB/s writes, with 575,000 random read IOPS and 550,000 random write IOPS. Endurance is rated at 11,680 TBW -- matching the per-GB endurance of the 380 GB model but with 100 GB more usable space. This capacity hits a sweet spot for workstation users who need enough room for active project files, databases, and virtual machine images on the fast 3D XPoint media.
The 905P 480 GB competes with the Intel 900P 480 GB on the Optane side and with high-end consumer TLC NVMe drives on price. The Optane advantage is latency consistency and endurance; the NAND advantage is sequential bandwidth and capacity per dollar.
Storage Comparisons:
905P Performance & Benchmarks
At 2,600 MB/s reads and 2,200 MB/s writes, the 905P 480 GB trails mainstream TLC NVMe drives on sequential throughput. Where it dominates is random I/O: 575,000 read IOPS and 550,000 write IOPS, delivered with latency that does not vary with drive fill level, queue depth, or write history.
Intel 905P 480 GB vs PCIe 3.0 x 4 or U.2 2.5" peers
Switch between sequential throughput and random IOPS to see how this drive stacks up against other PCIe 3.0 x 4 or U.2 2.5" SSDs in our database. The highlighted bar is the drive on this page — click any other bar to open that drive.
- Intel 905P 480 GB (this drive): 2,600 MB/s read, 2,200 MB/s write
- Intel 905P 380 GB: 2,600 MB/s read, 2,200 MB/s write
- Intel 905P 960 GB: 2,600 MB/s read, 2,200 MB/s write
- Intel 900P 280 GB: 2,500 MB/s read, 2,000 MB/s write
- Intel 900P 480 GB: 2,500 MB/s read, 2,000 MB/s write
HotHardware's testing showed the 905P outperforming all NAND-based consumer SSDs on random-I/O-heavy workloads. The review noted that for sequential transfers, the 905P could not match the Samsung 970 Pro, but for random I/O, it was in a class of its own. AnandTech's Storage Bench traces showed similar results, with the 905P excelling on workloads with many small, random accesses.
The 3D XPoint advantage is consistency. No SLC cache means no cache exhaustion, no performance cliff, and no write amplification from cache folding. Performance is the same at 1% full as at 99% full.
Endurance, TBW & Warranty
Intel rates the 905P 480 GB at 11,680 TBW over its 5-year warranty, translating to roughly 6,389 GB of writes per day. At approximately 13.3 full drive writes daily, this endurance rating is extraordinary by NAND standards (a 1 TB TLC SSD is typically rated around 600 TBW). Any consumer or professional workload will remain far below this threshold. The 1.6 million hour MTBF is a population-level reliability estimate. Intel handles warranty claims through its standard RMA process.
Intel 905P 480 GB Specifications
| Category | Value |
|---|---|
| Capacity [?] | 480 GB |
| Interface [?] | PCIe 3.0 x 4 or U.2 2.5" |
| Controller [?] | Intel EAU01D76 |
| Memory type [?] | Intel 3D XPoint |
| DRAM [?] | No |
| Read speed (MB/s) [?] | 2600 |
| Write speed (MB/s) [?] | 2200 |
| Read IOPS [?] | 575000 |
| Write IOPS [?] | 550000 |
| Endurance (TBW) [?] | 11680 |
| MTBF (million hours) [?] | 1.6 |
| Warranty (years) [?] | 5 |
Verdict: Is the 905P Worth It in 2026?
The Intel Optane 905P 480GB is the sweet spot of the 905P line for professionals who need consistently low random I/O latency and enough capacity for active working datasets. Database admins, developers, and workstation users with random-I/O-bound tasks benefit most. For everything else -- gaming, video editing, general consumer use -- a high-end TLC NVMe drive delivers more capacity and sequential bandwidth at a fraction of the cost. The 905P is discontinued, so availability is limited to remaining stock.
+ Pros
- 575,000 random read IOPS with consistent latency
- 11,680 TBW endurance
- 2,600 MB/s sequential reads
- 480 GB of 3D XPoint storage
- No SLC cache, uniform performance in all conditions
- Available as AIC or U.2 2.5-inch
- Cons
- 2,600 MB/s reads, below mainstream TLC NVMe
- Very expensive per GB
- AIC/U.2 form factor limits laptop compatibility
- Not compatible with PS5
- Discontinued, limited remaining stock
- Only 480 GB capacity
Buy this or similar SSD Storage:
Video Review
Intel Optane SSD 905P Series (480GB) (2.5 PCIe x 4 3D XPoint) with M.2 Adapter Cable
