# Apacer AS2280Q4 1TB Review — Phison E16 PCIe 4.0 NVMe SSD (2026)

The Apacer AS2280Q4 1 TB is the practical capacity in Apacer's Phison E16 lineup — enough space for a game library and an OS, with the same 8-channel DRAM controller as drives that cost more, tempered by a 3-year warranty and a spec sheet that omits endurance figures.

Quick answer: The Apacer AS2280Q4 1 TB is a budget E16 drive that prioritises controller hardware over documentation. It delivers the same 8-channel DRAM-equipped Phison E16 as the Corsair MP600 and Sabrent Rocket 4.0, at a lower price, with a shorter warranty and blank cells where the endurance and DRAM specs should be. Buy it if you understand the E16 platform and want the cheapest possible entry into an 8-channel PCIe 4.0 drive with DRAM. Skip it if you need a 5-year warranty, published endurance, or the reassurance of a brand-name support network — the Corsair MP600 1 TB or a modern DRAM-less TLC alternative like the WD Black SN770 will serve you with fewer asterisks.

## Specifications

| Specification | Value |
| --- | --- |
| Capacity | 1 TB |
| Interface | M.2 4.0 x 4 |
| Controller | Phison PS5016-E16 |
| Memory type | 3D TLC |
| DRAM cache | DDR4 Cache |
| Sequential read | 5000 MB/s |
| Sequential write | 4400 MB/s |
| Random read IOPS | 750000 |
| Random write IOPS | 750000 |
| Endurance | 1200 TBW |
| MTBF | 1.5 |
| Warranty | 3 years |

## Performance

The AS2280Q4 1 TB is rated at 5,000 MB/s read and 4,400 MB/s write — identical on paper to the 500 GB and 2 TB variants. Random IOPS are rated at 750,000 for both reads and writes. In practice, game loads, OS boots, and application launches are indistinguishable from any NVMe drive. The 1 TB capacity provides a larger SLC write cache than the 500 GB — roughly 150—200 GB based on E16 platform behaviour — and direct-to-TLC writes settle in the 1,200—1,500 MB/s range.

The E16 controller requires a heatsink. Sustained writes will push the controller past 75 °C within minutes on a bare drive, and thermal throttling will cut performance by 30—50%. A motherboard M.2 heatsink with case airflow is the minimum. The drive is a desktop proposition — the E16's power draw and thermals rule out laptop use.

## Endurance, TBW & Warranty

Apacer does not publish a TBW endurance figure for the AS2280Q4. The drive carries a 3-year warranty — shorter than the 5-year standard on competing Phison E16 drives — and an MTBF of 1.5 million hours. For reference, other 1 TB E16 TLC drives were rated at 700—1,800 TBW depending on NAND grade and over-provisioning. Without a published figure from Apacer, buyers should treat the 3-year warranty as the practical coverage limit. Apacer handles warranty through its distribution channels.

## Pros and Cons

**Pros:**

- 5,000 MB/s reads on the Phison E16 PCIe 4.0 controller
- DDR4 DRAM cache — rare at a budget price point
- 750,000 IOPS for both reads and writes
- 8-channel controller with mature, stable firmware
- 1 TB capacity viable as a single-drive desktop solution
- Same E16 silicon as the Corsair MP600 and Sabrent Rocket 4.0
**Cons:**

- Only a 3-year warranty — shorter than the 5-year E16 standard
- No published TBW endurance rating
- Phison E16 requires a heatsink for sustained writes
- Desktop-only — unsuitable for laptops
- Limited retail availability and brand support infrastructure


## Verdict

The Apacer AS2280Q4 1 TB is a budget E16 drive that prioritises controller hardware over documentation. It delivers the same 8-channel DRAM-equipped Phison E16 as the Corsair MP600 and Sabrent Rocket 4.0, at a lower price, with a shorter warranty and blank cells where the endurance and DRAM specs should be. Buy it if you understand the E16 platform and want the cheapest possible entry into an 8-channel PCIe 4.0 drive with DRAM. Skip it if you need a 5-year warranty, published endurance, or the reassurance of a brand-name support network — the Corsair MP600 1 TB or a modern DRAM-less TLC alternative like the WD Black SN770 will serve you with fewer asterisks.

## Frequently Asked Questions

### Does the Apacer AS2280Q4 have a DRAM cache?

Yes. The Phison PS5016-E16 is an 8-channel controller that requires dedicated DRAM, and all E16 drives include it. The AS2280Q4 uses DDR4 DRAM for the FTL mapping table, which provides more consistent latency under mixed workloads and high queue depths than DRAM-less HMB designs. For a budget PCIe 4.0 drive, having an 8-channel controller with DRAM is the AS2280Q4's strongest selling point.

### What is the TBW endurance of the 1 TB AS2280Q4?

Apacer does not publish a TBW endurance rating for any AS2280Q4 capacity. The drive carries a 3-year warranty with a 1.5 million hour MTBF. For reference, other 1 TB Phison E16 TLC drives were rated between 700 and 1,800 TBW. Without Apacer's published figure, the 3-year warranty is the practical coverage limit. If published endurance is important to your purchase, a competitor like the Corsair MP600 or Sabrent Rocket 4.0 documents TBW explicitly.

### Does the AS2280Q4 need a heatsink?

Yes — the Phison E16 controller demands a heatsink for sustained writes. Without one, the controller will thermal-throttle within minutes. A motherboard M.2 heatsink is sufficient for desktop use. The drive does not include a heatsink. This is a desktop-only drive — the E16's power draw and heat output are not suitable for laptops.

### Is the Apacer AS2280Q4 1TB good for gaming?

Yes. The 5,000 MB/s reads are more than adequate for any game — load times are CPU-bound, not drive-bound. The 1 TB capacity holds a comfortable game library, and the DDR4 DRAM cache keeps latency consistent. Ensure your motherboard has an M.2 heatsink. The 3-year warranty is the main concern for a long-term gaming build — if you plan to keep the drive for 5-plus years, a competitor with a 5-year warranty may be worth the premium.

### How does the AS2280Q4 compare to the Corsair MP600?

Both use the Phison E16 controller with DDR4 DRAM and TLC NAND, rated at 5,000/4,400 MB/s. The MP600 carries a 5-year warranty and publishes TBW endurance (1,800 TBW at 1 TB), while the AS2280Q4 has a 3-year warranty and unpublished endurance. The MP600 also ships with a factory heatsink on most SKUs. The AS2280Q4 is the budget alternative — same silicon, less documentation, shorter coverage. Choose the MP600 for peace of mind; choose the AS2280Q4 for the lowest entry price into E16 hardware.

---

Last updated: 2026-05-23. Source: https://ssdrive.net/apacer-as2280q4-1-tb