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| Brand | Micron |
|---|---|
| Model | RealSSD P420m |
| Capacity | 1.4TB |
| Usage Class | Enterprise |
| Host Interface | PCIe Gen2 x8 |
|---|---|
| Total Interface Bandwidth | 32 Gb/s |
| Form Factor | HHHL |
|---|
| NAND Flash | 25nm MLC |
|---|---|
| Drive Writes Per Day | |
| Total Bytes Written | 10000 TBW |
| Sequential Read | 3300 MB/s |
|---|---|
| Sequential Write | 630 MB/s |
| Random Read IOPS | 750000 |
| Random Write IOPS | 95000 |
| Average Latency | 100 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
The Micron RealSSD P420m 1.4TB (MTFDGAR1T4MAX) is best suited for read-dominant workloads such as CDN edge caching, large-scale search indexing, and low-latency analytics, where its PCIe Gen2 x8 interface delivers up to 3,300 MB/s sequential read and 750,000 random read IOPS. Compared with typical same-generation enterprise SATA and lower-lane PCIe SSDs, it offers substantially higher read throughput and IOPS density while still sustaining 10,000 TBW on 25nm MLC NAND, making it a strong fit for infrastructure that prioritizes fast data access and long service life.
With an endurance rating of 10,000 TBW, the MTFDGAR1T4MAX is built to sustain very heavy write volumes over its service life, making it well suited for write-intensive enterprise workloads as well as long-term OS, application, and data storage use. In practical terms, under typical server or system-disk workloads, this level of endurance provides ample margin for many years of reliable operation, helping procurement teams deploy with confidence. For enterprise reliability, the drive includes Power Loss Protection (PLP), which helps preserve in-flight data and protect metadata integrity if power is interrupted unexpectedly. Its 1.0E-17 UBER rating indicates an extremely low probability of unrecoverable bit errors during reads, supporting high data integrity in business-critical environments.
1. The PCIe Gen2 x8 host interface provides enough parallel bandwidth to keep enterprise application stacks fed consistently, reducing storage bottlenecks in database, virtualization, and analytics servers.
2. Its strong sequential read capability accelerates large-block data access, helping shorten backup restores, dataset loading, and media or archive retrieval windows.
3. The high random read performance makes it well suited for latency-sensitive transactional workloads, enabling faster response times in OLTP, VDI, and metadata-heavy environments.
4. Built on 25nm MLC NAND, the drive balances enterprise endurance and cost efficiency, making it a practical fit for read-intensive infrastructure that still demands dependable long-term reliability.
5. With typical latency in the microsecond class, the SSD supports more predictable application behavior and improves QoS for performance-critical services under sustained load.
Lower capacity reference: 800GB Higher capacity reference: 3.2TB At 1.4TB, this MAX-series enterprise SSD sits in the sweet spot of the lineup. Compared with the 800GB model, it gives meaningfully more headroom for OS images, logs, metadata, and workload growth, reducing early capacity pressure in mixed read/write environments. Compared with the 3.2TB version, it usually delivers a better cost-to-usable-capacity balance while keeping broadly similar sequential throughput and random IOPS. This makes it especially well suited for mid-scale clusters, such as hosting boot and data volumes for roughly 40-60 containerized application nodes.
Q: Is MTFDGAR1TMAX suitable for a write-heavy database server?
A: Yes. With 25nm MLC NAND, 10,000 TBW, low 100 µs typical latency, and enterprise PCIe connectivity, MTFDGAR1T4MAX is well suited for demanding write-heavy database workloads.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: Based on 10,000 TBW and 1.4TB capacity, it supports about 7,143 full drive writes total. Assuming a 5-year warranty, that equals roughly 3.9 DWPD in practical terms.
Q: Does it include power loss protection (PLP) and why is that critical?
A: Yes, it includes PLP. This is critical because it helps protect in-flight data and mapping tables during unexpected power failure, reducing corruption risk and improving enterprise data integrity.
Q: What RAID level is recommended for this SSD?
A: For most enterprise deployments, RAID 10 is recommended for the best balance of performance, redundancy, and write efficiency. RAID 1 or RAID 5 may also fit capacity-focused environments.