Crucial T700 Review: 9.4/10 - Blazing PCIe Gen 5 speeds up to 12,400 MB/s
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At a Glance
The Crucial T700 is a groundbreaking SSD that pushes consumer storage into a new performance tier.
Prices last checked June 2026
Overview
The Crucial T700 represents a massive leap in consumer SSD performance, harnessing the PCIe Gen 5 interface to deliver sequential speeds up to 12,400 MB/s read and 11,800 MB/s write. Powered by Micron’s own 232-layer 3D TLC NAND flash and the Phison E26 controller, the T700 nearly doubles the throughput of the fastest PCIe 4.0 drives. It is designed for enthusiasts, content creators, and professionals who demand uncompromising speed. The T700 competes directly with the Seagate FireCuda 540 (10,000 MB/s) and the WD Black SN8100 (up to 10,000 MB/s), but leads the Gen 5 pack in raw sequential throughput thanks to Micron’s vertically integrated NAND supply chain.
Design & Build
The T700 is an M.2 2280 drive (22mm wide, 80mm long) available with or without an integrated heatsink. The heatsink version features an aluminum finned design with a nickel-plated copper core and thermal pads that effectively manage the heat output of PCIe 5.0 operation, which can exceed 11W under sustained load. Without adequate cooling, the drive can throttle (dropping to ~4,000 MB/s) within minutes of sustained writes, so Crucial recommends motherboard heatsinks or the included thermal solution with thermal pads (1.5mm and 2mm thickness). The double-sided PCB houses the Phison E26 controller (12nm, 8-channel) and Micron 232-layer 3D TLC NAND packages across both sides on the 2TB and 4TB models; the 1TB model is single-sided and compatible with all PS5 and laptop M.2 slots.
Performance
In sequential benchmarks, the T700 achieves its rated 12,400 MB/s reads and 11,800 MB/s writes, redefining what consumer storage can do. Random 4K performance hits 1.5 million IOPS for both reads and writes. Real-world benefits are most apparent in large file transfers, where a 100GB video project moves in under 10 seconds. The drive supports Microsoft DirectStorage, and in compatible games asset loading is nearly instantaneous. The SLC cache on the 2TB model is approximately 300GB, after which sustained write speeds drop to roughly 2,000 MB/s.
Features
Crucial’s Storage Executive software provides firmware updates, drive health monitoring (including wear-leveling status and temperature), and performance tuning (including Momentum Cache and OS trash collection optimization). The T700 supports NVMe 2.0, TRIM, S.M.A.R.T. monitoring with detailed attribute reporting, and AES 256-bit encryption with TCG Opal 2.0 compliance for enterprise security. Onboard power-loss protection with dedicated capacitors helps safeguard data during unexpected shutdowns by flushing the DRAM cache. The drive is fully compatible with PCIe 4.0 slots (Gen 4 x4) at reduced speeds (~7,000 MB/s), making it a future-proof investment for current builds that can be carried forward to a Gen 5 motherboard. The included Acronis True Image for Crucial cloning software makes migration easy.
Pros
- Blistering PCIe 5.0 sequential speeds - up to 12,400 MB/s read, 11,800 MB/s write
- Excellent 4K random IOPS performance (1.5M IOPS read/write) for database and workstation workloads
- Available with high-quality integrated heatsink featuring nickel-plated copper core
- Supports Microsoft DirectStorage for near-instantaneous game asset loading
- 5-year warranty with high endurance ratings (600 TBW per TB capacity)
- 300 GB+ SLC cache on 2TB model sustains peak write speeds for large file transfers
Cons
- Requires PCIe 5.0 slot for full performance; limited to ~7,000 MB/s on PCIe 4.0
- Runs hot and needs active or robust passive cooling - sustained writes hit ~80C without adequate heatsink
- Premium price premium over PCIe 4.0 SSDs (roughly 40-50% higher cost per GB)
- Real-world gains over Gen 4 are limited outside of large file workloads and DirectStorage titles
- Double-sided PCB on 2TB/4TB models may not fit all laptop M.2 slots
Verdict
The Crucial T700 is a groundbreaking SSD that pushes consumer storage into a new performance tier. For those with PCIe 5.0-capable systems who work with massive files or want the absolute fastest load times, it is the current king of the hill. Its closest competitor, the Seagate FireCuda 540, offers slightly lower peak speeds but runs cooler at the cost of a hybrid heatsink design, while the WD Black SN8100 is more readily available but capped at ~10,000 MB/s. For most consumers, PCIe 4.0 SSDs like the Samsung 990 Pro remain the better value, but the T700 is the definitive choice for early Gen 5 adopters who need every MB/s available.
Sources
Where to Buy
Check current pricing on eBay or Amazon.
Prices last checked June 2026. Pricing and availability are accurate as of the date/time indicated and are subject to change.
📊 Comparison: Crucial T700 vs. Competitors
| Specification | Crucial T700 | Samsung 990 Pro SSD | WD Black SN850X | Samsung T7 Shield |
|---|---|---|---|---|
| Price | $290 | $170 | $160 | $160 |
| Capacity | 1TB, 2TB, 4TB | 1TB, 2TB, 4TB | 1TB, 2TB, 4TB, 8TB | 1TB, 2TB, 4TB |
| Interface | PCIe Gen 5.0 x4, NVMe 2.0 | PCIe Gen 4.0 x4, NVMe 2.0 | PCIe Gen 4.0 x4, NVMe 1.4 | USB 3.2 Gen 2 (10 Gbps), USB-C |
| Form Factor | M.2 2280 | M.2 2280 | M.2 2280 | -- |
| Controller | Phison E26 | Samsung Pascal in-house controller | WD Black G2 (20-82-20035-B2) | -- |
| NAND | Micron 232-layer 3D TLC | Samsung 176-layer V-NAND 3-bit TLC | Kioxia 112-layer BiCS5 TLC | -- |
| DRAM | Yes, onboard DDR4 | 1GB LPDDR4 (1TB), 2GB LPDDR4 (2TB) | Yes, onboard DDR4 | -- |
| Seq Read | 12,400 MB/s | 7,450 MB/s | 7,300 MB/s | 1,050 MB/s |
| Seq Write | 11,800 MB/s | 6,900 MB/s | 6,600 MB/s | 1,000 MB/s |
| Random Read | 1,500K IOPS | 1,400K IOPS (2TB) | 1,200K IOPS | -- |
| Random Write | 1,500K IOPS | 1,550K IOPS | 1,100K IOPS | -- |
| Endurance | 600 TBW (1TB), 1,200 TBW (2TB), 2,400 TBW (4TB) | 600 TBW (1TB), 1,200 TBW (2TB) | 600 TBW (1TB), 1,200 TBW (2TB) | -- |
| Warranty | 5-year limited | 5-year limited | 5-year limited | 3-year limited |
| Durability | -- | -- | -- | IP65 rating, 3-meter drop resistant |
| Encryption | -- | -- | -- | AES 256-bit hardware encryption |
| Dimensions | -- | -- | -- | 88 x 59 x 13 mm |
| Weight | -- | -- | -- | 98 grams |
How We Rate Products
Every product on ComfyTechCheck is scored on a 1 to 10 scale based on a structured evaluation framework. We assess products across five core criteria:
- Performance (30% weight): Speed, responsiveness, and real-world capability in its category.
- Build & Design (20% weight): Material quality, ergonomics, and aesthetic appeal.
- Features (20% weight): Breadth and usefulness of included functionality.
- Value (20% weight): Price-to-performance ratio relative to direct competitors.
- Battery Life or Reliability (10% weight): Endurance testing for portable devices, or long-term dependability for stationary gear.
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