# Addlink S68 256GB SSD — In-Depth Review & Specs (2026)

The Addlink S68 256GB is the entry-level capacity in Addlink's most affordable NVMe line. Built on the Phison PS5013-E13T — a 4-channel DRAM-less PCIe 3.0 controller using Host Memory Buffer — the S68 targets the absolute budget segment where price-per-gigabyte is the primary consideration. At 256GB it delivers 2,000 MB/s read and 1,200 MB/s write, roughly 3.6x and 2.2x SATA SSD speeds respectively, with a 5-year warranty that is uncommon in this price band. This review examines whether the S68 256GB provides enough performance and endurance for its intended role as a budget boot drive.

Quick answer: The Addlink S68 256GB is a straightforward budget NVMe drive that differentiates itself with a 5-year warranty — a rare feature in the entry-level segment. The Phison E13T DRAM-less platform delivers adequate NVMe performance for an OS-only drive, with read speeds that handily outpace any SATA SSD. The 256GB capacity limits its role to boot-drive duty in a multi-drive system, but for a budget build where every dollar counts and a secondary storage drive is already planned, the S68 256GB combines genuine NVMe responsiveness with warranty coverage that its direct competitors cannot match. For a single-drive solution, step up to at least 512GB — the price difference is small and the capacity headroom is transformative.

## Specifications

| Specification | Value |
| --- | --- |
| Capacity | 256 GB |
| Interface | M.2 3.0 x 4 |
| Controller | Phison PS5013-E13T |
| Memory type | 3D TLC |
| DRAM cache | HMB |
| Sequential read | 2000 MB/s |
| Sequential write | 1200 MB/s |
| Random read IOPS | 295000 |
| Random write IOPS | 430000 |
| Endurance | 200 TBW |
| MTBF | 1.5 |
| Warranty | 5 years |

## Performance

Rated sequential throughput of 2,000 MB/s read and 1,200 MB/s write puts the S68 256GB in the entry-level NVMe performance tier. Reads are roughly 3.6x faster than a SATA SSD; writes are about 2.2x faster. For an OS drive where reads dominate — booting Windows, launching applications, loading browser sessions — the 2,000 MB/s read speed provides a genuine NVMe experience that is noticeably faster than any SATA drive.

Random 4K performance reflects the DRAM-less E13T architecture. The HMB-sourced FTL keeps lightly-threaded random I/O responsive for everyday use — Windows boots in under 15 seconds, applications launch briskly, and web browsing feels snappy. The DRAM-less design shows its limits under heavy mixed workloads: simultaneous application installs, file copies, and background tasks can push the HMB-based mapping table past its comfort zone, and latency increases compared to a DRAM-equipped alternative. For the budget home/office PC, student laptop, or secondary boot drive where workloads are typically single-tasked, the S68 performs without obvious bottlenecks.

The 256GB capacity is best suited to a dedicated OS-and-applications role. Windows 10/11 with a typical application suite occupies roughly 60-80 GB, leaving about 160 GB for a few large applications or a game or two. For a single-drive build, the 512GB or 1TB capacities are recommended. Thermally the E13T is well-behaved — its low power draw means the drive rarely if ever throttles, even in passively cooled laptop M.2 slots.

## Endurance, TBW & Warranty

Addlink provides a 5-year limited warranty for the S68 series — notably longer than the 3-year warranty common on budget NVMe drives in this price segment. Endurance ratings are not publicly specified for the 256GB model. The warranty is tied to the original purchaser and does not cover data recovery.

## Pros and Cons

**Pros:**

- 2,000/1,200 MB/s — 3.6x SATA read speed, genuine NVMe experience
- 5-year warranty — unusually long coverage for the budget segment
- Phison E13T — proven DRAM-less platform with LDPC error correction
- Single-sided M.2 2280 — universal fit including thin laptops
- Cool and efficient — minimal power draw, no heatsink required
- Aggressive pricing — among the cheapest 256GB NVMe options with 5-year warranty
**Cons:**

- DRAM-less HMB design — latency penalty under heavy mixed workloads
- 256GB capacity — OS-only role; need secondary drive for games and media
- Post-cache TLC write speed drops to ~250-350 MB/s
- Phison E13T is 4-channel — cannot match 8-channel Gen3 drives
- Endurance not publicly specified for 256GB model
- Limited brand recognition and availability vs. major manufacturers


## Verdict

The Addlink S68 256GB is a straightforward budget NVMe drive that differentiates itself with a 5-year warranty — a rare feature in the entry-level segment. The Phison E13T DRAM-less platform delivers adequate NVMe performance for an OS-only drive, with read speeds that handily outpace any SATA SSD. The 256GB capacity limits its role to boot-drive duty in a multi-drive system, but for a budget build where every dollar counts and a secondary storage drive is already planned, the S68 256GB combines genuine NVMe responsiveness with warranty coverage that its direct competitors cannot match. For a single-drive solution, step up to at least 512GB — the price difference is small and the capacity headroom is transformative.

## Frequently Asked Questions

### Does the Addlink S68 have DRAM cache?

No. The S68 uses the Phison PS5013-E13T, a DRAM-less controller that relies on NVMe Host Memory Buffer (HMB) to borrow system RAM for the flash translation layer. This keeps costs low but can result in latency increases under heavy mixed read/write workloads.

### What controller does the S68 use?

The S68 uses the Phison PS5013-E13T, a 4-channel PCIe 3.0 x4 DRAM-less NVMe controller. This is the same controller found in the MyDigitalSSD SBXe series. The S70 and X70 use the higher-end 8-channel DRAM-equipped Phison E12.

### Is the S68 256GB faster than a SATA SSD?

Yes — significantly. The 2,000 MB/s read speed is roughly 3.6x faster than a SATA SSD's 550 MB/s ceiling. Windows boot times, application launches, and game level loads all benefit noticeably from the NVMe interface.

### How does the S68 compare to the S70?

The S68 uses the DRAM-less Phison E13T (4-channel, HMB) with speeds of 2,000/1,200 MB/s at 256GB. The S70 uses the DRAM-equipped Phison E12 (8-channel, dedicated DRAM) with speeds of 3,500/2,700 MB/s at all capacities. The S70 is a significantly faster, more consistent platform; the S68 is the budget option.

### What is the warranty on the S68?

Addlink provides a 5-year limited warranty for the S68 series, which is notably longer than the 3-year warranty common on budget NVMe drives in this price segment. This is one of the S68's key value propositions in the entry-level market.

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Last updated: 2026-05-23. Source: https://ssdrive.net/addlink-s68-256-gb