# Apacer AS2280P4 480GB Review — Phison E12 Mid-Range PCIe 3.0 NVMe (2026)

The Apacer AS2280P4 480GB is a mid-range PCIe 3.0 NVMe SSD powered by the well-proven Phison E12 controller with DRAM cache.

Quick answer: The Apacer AS2280P4 480GB is a solid mid-range 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 three-year warranty is shorter than the industry-standard five years. The ADATA XPG Gammix S11 Pro 512GB offers similar Phison E12 performance at a comparable price, and the Corsair MP510 480GB is a strong alternative. The AS2280P4 makes sense for buyers who want proven Phison E12 performance from a lesser-known brand at a competitive price.

## Specifications

| Specification | Value |
| --- | --- |
| Capacity | 480 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 | 300 TBW |
| MTBF | 1.5 |
| Warranty | 3 years |

## Performance

The Apacer AS2280P4 480GB 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 480 GB capacity may show slightly lower sustained write speeds than the 960 GB variant due to fewer NAND chips for parallelism.

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. Once the cache exhausts during sustained writes, throughput drops to direct-to-TLC speeds — typically in the 400-600 MB/s range for 3D TLC on the E12. For everyday use — booting, launching applications, loading games — the SLC cache is more than sufficient and the drive feels fast.

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 480GB 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 480 GB TLC drives using the Phison E12, estimated TBW would be in the range of 240-320 TBW, though this is an estimate since Apacer has not published an official figure. At a sustained workload of 30 GB per day, a 280 TBW drive would take roughly 25 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
- Phison E12 is a mature, well-proven controller
- Dedicated DRAM cache for consistent random I/O
- 360,000 read IOPS strong for mid-range
- M.2 2280 fits laptops and desktops
**Cons:**

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


## Verdict

The Apacer AS2280P4 480GB is a solid mid-range 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 three-year warranty is shorter than the industry-standard five years. The ADATA XPG Gammix S11 Pro 512GB offers similar Phison E12 performance at a comparable price, and the Corsair MP510 480GB is a strong alternative. The AS2280P4 makes sense for buyers who want proven Phison E12 performance from a lesser-known brand at a competitive price.

## Frequently Asked Questions

### Is the Apacer AS2280P4 480GB good for gaming?

Yes, the AS2280P4 480GB is excellent for gaming. Its 3,200 MB/s sequential read speed delivers fast game load times, and the 480 GB capacity can hold the operating system plus 5-10 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 480GB have a DRAM cache?

Yes, the AS2280P4 480GB 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 480GB?

Apacer does not publish an official TBW (terabytes written) rating for the AS2280P4 series. The drive carries a three-year warranty. Based on comparable 480 GB TLC drives using the Phison E12, estimated TBW would be in the range of 240-320 TBW. At typical consumer write volumes of 30 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 480GB compatible with the PS5?

No, the AS2280P4 480GB 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 compare to the AS2280P2 Pro?

The AS2280P4 is a significant upgrade over the AS2280P2 Pro. The P4 uses the Phison E12 controller on a full PCIe 3.0 x4 interface, delivering 3,200/2,000 MB/s versus the P2 Pro's 1,580/950 MB/s on a PCIe 3.0 x2 interface. The P4 also includes a dedicated DRAM cache, while the P2 Pro is DRAM-less. The P4 is the better choice for any performance-oriented use, while the P2 Pro is suitable only for budget builds.

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Last updated: 2026-05-23. Source: https://ssdrive.net/apacer-as2280p4-480-gb