# Apacer AS2280P4 960GB Review — Phison E12 High-Capacity PCIe 3.0 NVMe (2026)

The Apacer AS2280P4 960GB is a high-capacity PCIe 3.0 NVMe SSD powered by the well-proven Phison E12 controller with DRAM cache.

Quick answer: The Apacer AS2280P4 960GB is a solid high-capacity PCIe 3.0 NVMe SSD powered by the well-proven Phison E12 controller. Its 3,200/2,000 MB/s speeds place it in the upper tier of PCIe 3.0 drives, and the dedicated DRAM cache ensures consistent random I/O performance. The near-1TB capacity is practical for modern use. The three-year warranty is shorter than the industry-standard five years. The Corsair MP510 960GB offers similar Phison E12 performance as a direct competitor, and the ADATA XPG Gammix S11 Pro 1TB provides a 1 TB alternative. The AS2280P4 makes sense for buyers who want proven Phison E12 performance with generous capacity at a competitive price.

## Specifications

| Specification | Value |
| --- | --- |
| Capacity | 960 GB |
| Interface | M.2 3.0 x 4 |
| Controller | Phison PS5012-E12 |
| Memory type | 3D TLC |
| DRAM cache | Yes |
| Sequential read | 3200 MB/s |
| Sequential write | 2000 MB/s |
| Random read IOPS | 360000 |
| Random write IOPS | 280000 |
| Endurance | 600 TBW |
| MTBF | 1.5 |
| Warranty | 3 years |

## Performance

The Apacer AS2280P4 960GB is rated at 3,200 MB/s sequential reads and 2,000 MB/s sequential writes — figures that place the drive in the upper tier of PCIe 3.0 NVMe SSDs. The Phison E12 controller is a mature, eight-channel design that consistently delivers near-theoretical-maximum throughput on PCIe 3.0 x4. The 960 GB capacity, with its additional NAND chips for parallelism, is the variant most likely to reach these rated figures in practice.

The drive uses a dynamic SLC cache for write acceleration. The Phison E12's SLC cache management is well-optimized, providing generous burst write performance for typical desktop workloads. On the 960 GB capacity, the SLC cache is larger than on smaller variants, giving more headroom for sustained writes. Once the cache exhausts, throughput drops to direct-to-TLC speeds — typically in the 400-600 MB/s range. For everyday use, the SLC cache is more than sufficient.

Random 4K performance is rated at 360,000 IOPS reads. The dedicated DRAM cache helps maintain consistent random I/O under mixed workloads, as the full flash translation table fits in the dedicated cache. The Phison E12 is well-regarded for its random write performance, and the AS2280P4 inherits this strength. In real-world application testing, E12-based drives deliver responsive performance that competes with other flagship PCIe 3.0 drives.

The Phison E12 is known to run warm under sustained loads — thermal throttling can occur if the drive is pushed hard without adequate cooling. For the AS2280P4, which ships without a heatsink, we recommend ensuring good case airflow or using a motherboard M.2 heatsink if available. Under normal desktop use, thermal issues are unlikely to arise.

## Endurance, TBW & Warranty

Apacer covers the AS2280P4 960GB with a three-year limited warranty. This is shorter than the five-year warranty offered on most consumer NVMe SSDs and reflects Apacer's conservative coverage policy. Apacer does not publish a specific TBW (terabytes written) rating for the AS2280P4 series. Based on comparable 960 GB TLC drives using the Phison E12, estimated TBW would be in the range of 480-640 TBW, though this is an estimate since Apacer has not published an official figure. At a sustained workload of 40 GB per day, a 560 TBW drive would take roughly 38 years to exhaust — well beyond the three-year warranty period.

## Pros and Cons

**Pros:**

- 3,200/2,000 MB/s near-saturates PCIe 3.0 x4
- 960 GB capacity practical for modern use
- Phison E12 is a mature, well-proven controller
- Dedicated DRAM cache for consistent random I/O
- Largest SLC cache in the AS2280P4 lineup
**Cons:**

- Three-year warranty shorter than industry standard
- No published TBW endurance rating
- Phison E12 runs warm under sustained loads
- No included heatsink
- 960 GB oddly-sized capacity


## Verdict

The Apacer AS2280P4 960GB is a solid high-capacity PCIe 3.0 NVMe SSD powered by the well-proven Phison E12 controller. Its 3,200/2,000 MB/s speeds place it in the upper tier of PCIe 3.0 drives, and the dedicated DRAM cache ensures consistent random I/O performance. The near-1TB capacity is practical for modern use. The three-year warranty is shorter than the industry-standard five years. The Corsair MP510 960GB offers similar Phison E12 performance as a direct competitor, and the ADATA XPG Gammix S11 Pro 1TB provides a 1 TB alternative. The AS2280P4 makes sense for buyers who want proven Phison E12 performance with generous capacity at a competitive price.

## Frequently Asked Questions

### Is the Apacer AS2280P4 960GB good for gaming?

Yes, the AS2280P4 960GB is excellent for gaming. Its 3,200 MB/s sequential read speed delivers fast game load times, and the 960 GB capacity can hold the operating system plus 10-15 modern games. The Phison E12 controller and dedicated DRAM cache ensure responsive performance even when loading multiple games or streaming assets simultaneously.

### Does the Apacer AS2280P4 960GB have a DRAM cache?

Yes, the AS2280P4 960GB includes a dedicated DRAM cache as part of the Phison E12 controller reference design. This DRAM stores the full flash translation table, providing consistent random I/O performance without borrowing system RAM. The DRAM cache is one of the advantages the E12 has over DRAM-less budget controllers.

### What is the TBW endurance of the Apacer AS2280P4 960GB?

Apacer does not publish an official TBW (terabytes written) rating for the AS2280P4 series. The drive carries a three-year warranty. Based on comparable 960 GB TLC drives using the Phison E12, estimated TBW would be in the range of 480-640 TBW. At typical consumer write volumes of 40 GB per day, this would last well beyond the warranty period.

### Does the Apacer AS2280P4 need a heatsink?

The AS2280P4 ships without a heatsink, and the Phison E12 controller is known to run warm under sustained loads. For normal desktop use, the drive operates within safe thermal limits without additional cooling. However, if you plan to run sustained write workloads or your case has limited airflow, a motherboard M.2 heatsink or aftermarket heatsink is recommended to prevent thermal throttling.

### Is the Apacer AS2280P4 960GB compatible with the PS5?

No, the AS2280P4 960GB is not compatible with the PlayStation 5. Sony requires a PCIe 4.0 NVMe SSD with at least 5,500 MB/s sequential read speed for PS5 storage expansion. The AS2280P4 is a PCIe 3.0 drive rated at 3,200 MB/s reads — below Sony's threshold. For PS5 upgrades, consider PCIe 4.0 drives like the WD Black SN850X, Samsung 980 PRO, or Seagate FireCuda 530.

### How does the Apacer AS2280P4 960GB compare to the 480GB variant?

Both variants use the same Phison E12 controller and 3D TLC NAND with identical rated speeds of 3,200/2,000 MB/s. The 960 GB variant benefits from more NAND chips for parallelism, which helps it reach rated speeds more consistently and provides a larger SLC cache for sustained writes. The 960 GB also offers nearly double the usable storage, making it far more practical for modern use. The 480 GB variant may be suitable for budget builds, but the 960 GB is the more practical choice.

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Last updated: 2026-05-23. Source: https://ssdrive.net/apacer-as2280p4-960-gb