# Zadak Spark 2TB — PCIe 3.0 NVMe SSD Review (2026)

The Zadak Spark 2 TB is a Phison E12-based PCIe 3.0 NVMe drive from the Apacer sub-brand, delivering proven Gen3 throughput with SK Hynix DRAM and Micron TLC in a boutique-designed package.

Quick answer: The Zadak Spark 2 TB is a solidly competent Phison E12 drive wearing a boutique heatsink. Its 3,400 MB/s reads and DRAM-equipped design make it a fast, reliable 2 TB option for PCIe 3.0 systems, and the single-sided PCB keeps laptop compatibility open. The conservative 604 TBW endurance rating and boutique-brand warranty infrastructure are the trade-offs versus a Samsung 970 EVO Plus 2 TB or WD Black SN750 2 TB, both of which offer higher endurance and broader RMA support. Buy the Spark if you find it at a meaningful discount to the tier-one alternatives and value the unique aesthetic — otherwise the Samsung or WD options are the safer long-term bets.

## Specifications

| Specification | Value |
| --- | --- |
| Capacity | 2 TB |
| Interface | M.2 3.0 x 4 |
| Controller | Phison PS5012-E12 |
| Memory type | Micron 3D TLC |
| DRAM cache | SK Hynix 1GB DDR4-2400 |
| Sequential read | 3400 MB/s |
| Sequential write | 3000 MB/s |
| Random read IOPS | 560000 |
| Random write IOPS | 560000 |
| Endurance | 604 TBW |
| MTBF | 1.8 |
| Warranty | 5 years |

## Performance

Rated at 3,400 MB/s sequential reads and 3,000 MB/s sequential writes, the 2 TB Spark delivers the full Phison E12 performance envelope. The eight-channel controller and 2 TB of Micron TLC ensure consistent throughput across the entire capacity range, with the large pseudo-SLC cache absorbing 100+ GB of burst writes before transitioning to native TLC speeds around 600–800 MB/s.

For gaming on a PCIe 3.0 platform, the Spark delivers load times indistinguishable from any other Gen3 NVMe drive. The 2 TB capacity is the real asset — enough space for a substantial game library without juggling installs. In an external USB 3.2 Gen2x2 enclosure, the Spark's 3,400 MB/s reads exceed the 2,000 MB/s enclosure limit, making it a fast external SSD that will not bottleneck on the drive side. For content creators working with large media files on a Gen3 workstation, the sustained TLC write speeds and DRAM-equipped consistency make the Spark a viable scratch drive.

## Endurance, TBW & Warranty

Zadak covers the Spark 2 TB with a five-year warranty, bounded by a 604 TBW endurance rating. At 30 GB/day, this endurance budget spans roughly 55 years. The 302-TBW-per-terabyte ratio is conservative for a Phison E12 TLC drive — competing implementations at 2 TB often carry 1,200 TBW or higher — and likely reflects Zadak's warranty policy rather than a physical NAND limitation. The 1 TB Spark carries 302 TBW. Warranty service operates through Zadak's support channel, which as a boutique brand has smaller RMA infrastructure than tier-one vendors.

## Pros and Cons

**Pros:**

- 3,400 MB/s reads — saturating PCIe 3.0 x4
- Phison E12 with SK Hynix DDR4 DRAM — no HMB compromises
- 2 TB single-sided M.2 2280 — fits thin laptops
- Micron 96L TLC NAND — consistent sustained write performance
- 5-year warranty from the Apacer premium sub-brand
**Cons:**

- 604 TBW endurance is conservative vs 1,200+ TBW on competing E12 2 TB drives
- Boutique brand — limited retail availability and RMA reach
- PCIe 3.0 ceiling — Gen4 drives offer double the peak reads
- No hardware encryption support on E12 consumer firmware


## Verdict

The Zadak Spark 2 TB is a solidly competent Phison E12 drive wearing a boutique heatsink. Its 3,400 MB/s reads and DRAM-equipped design make it a fast, reliable 2 TB option for PCIe 3.0 systems, and the single-sided PCB keeps laptop compatibility open. The conservative 604 TBW endurance rating and boutique-brand warranty infrastructure are the trade-offs versus a Samsung 970 EVO Plus 2 TB or WD Black SN750 2 TB, both of which offer higher endurance and broader RMA support. Buy the Spark if you find it at a meaningful discount to the tier-one alternatives and value the unique aesthetic — otherwise the Samsung or WD options are the safer long-term bets.

## Frequently Asked Questions

### Is the Zadak Spark 2TB good for gaming?

The Spark 2 TB is an excellent gaming drive on a PCIe 3.0 platform — its 3,400 MB/s reads are well beyond what any game engine requires, and the 2 TB capacity holds a substantial library. Game loads are indistinguishable from any other NVMe Gen3 drive. The DRAM cache keeps random I/O consistent during gameplay. If your motherboard supports PCIe 4.0, a Gen4 drive will offer higher peak throughput, but real-world game load times between the Spark and a 7,000 MB/s Gen4 flagship are imperceptible.

### Does the Zadak Spark have a DRAM cache?

Yes, the Spark includes 1 GB of SK Hynix DDR4-2400 DRAM for the Phison E12 controller's flash translation layer. This is dedicated DRAM — not the HMB approach used by budget DRAM-less drives — which means the FTL mapping tables reside in fast onboard memory rather than borrowing system RAM. The practical benefit is more consistent random I/O latency under sustained workloads and no system memory overhead.

### What is the TBW endurance of the Spark 2TB?

The 2 TB Spark is rated for 604 TBW, equivalent to roughly 331 GB of writes per day over the five-year warranty period. At a typical consumer write rate of 20-30 GB/day, this endurance budget spans roughly 55-83 years. The 604 TBW figure is conservative for a 2 TB Phison E12 drive — competing implementations often carry 1,200 TBW or more — and likely reflects Zadak's warranty ceiling rather than a NAND reliability concern.

### How does the Spark compare to the Samsung 970 EVO Plus 2TB?

Both are PCIe 3.0 x4 DRAM-equipped drives at 2 TB. The Samsung 970 EVO Plus uses Samsung's in-house Phoenix controller and V-NAND TLC, rated at 3,500/3,300 MB/s read/write versus the Spark's 3,400/3,000 — a small Samsung advantage. Endurance is 1,200 TBW on the EVO Plus versus 604 TBW on the Spark. Samsung offers the Magician software suite and established global RMA. The Spark counters with a unique aesthetic and potentially lower used-market pricing. At similar cost, the 970 EVO Plus is the stronger buy.

### Will the Spark work in a PS5?

The Spark will physically fit the PS5 M.2 bay — it is an M.2 2280 single-sided drive — but it is a PCIe 3.0 drive rated at 3,400 MB/s, well below Sony's 5,500 MB/s recommendation. The PS5 will recognize it but display a performance warning. For a guaranteed PS5 experience, a PCIe 4.0 drive rated at 5,500 MB/s or higher is required.

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Last updated: 2026-05-17. Source: https://ssdrive.net/zadak-spark-2-tb