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The Most Deployed Enterprise NVMe SSD in Data Centers — And Why It Is Still the Baseline in 2026
The Samsung PM9A3 is the reference enterprise NVMe SSD. Every vendor comparison, every storage architecture guide, every TCO analysis in this catalog uses the PM9A3 as the performance baseline — because it is the drive that hyperscalers and enterprise data centers standardized on in volume. Built on Samsung V-NAND 128-layer TLC with the Elpis controller, the 7.68TB model delivers 1,000K random read IOPS at 1 DWPD endurance, with a 2-million-hour MTBF. It is not the fastest drive on the market (Kioxia CM7 beats it on Gen5 throughput) and not the cheapest (Kingston DC1500M undercuts it), but it is the most proven — with more production telemetry than any other NVMe SSD in its class.
Especificações técnicas
| Parâmetro | Especificação |
|---|---|
| Capacidade | 7.68tb (também: 1.92tb, 3.84tb, 15.36tb) |
| Fator de forma | 2.5-polegada U.2 (15milímetros) |
| Interface | PCIe 4.0 x4, NVMe 1.4 |
| Tipo NAND | Samsung V-NAND V6 (128-layer) 3D TLC |
| Controller | Samsung Elpis (8nm, 10-channels per NAND chip) |
| DRAM Cache | Sim (1 GB per 1 TB of NAND) |
| Leitura sequencial (128K) | Até 6,800 Mb/s |
| Gravação sequencial (128K) | Até 4,000 Mb/s |
| Leitura aleatória (4K, QD256) | Up to 1,000K IOPS |
| Gravação Aleatória (4K, QD256) | Up to 180K IOPS |
| Latência (4K leitura aleatória, QD1) | ~75 microseconds |
| Latência (4K Gravação Aleatória, QD1) | ~15 microseconds |
| Resistência | 1 DWPD (5 anos), 14,016 A confirmar (7.68Modelo TB) |
| MTBF | 2,000,000 horas |
| Poder (Parado / Avg Active / máx.) | 5C / 12C / 18C |
| Proteção contra perda de energia | Apoiado por capacitor, full data path protection |
| Segurança | Opala TCG 2.0, SED, AES-256, apagamento seguro instantâneo |
| Físico | 100.45 x 69.85 x 15.00 milímetros, 140g |
| Temperatura | 0C a 70C |
| Garantia | 5-ano limitado (fabricante), 14,016 TBW limit |
Why the PM9A3 Remains the Baseline in 2026
| Factor | PM9A3 (linha de base) | Why It Wins |
|---|---|---|
| Production telemetry | Billions of drive-hours across hyperscaler deployments | The most field-tested NVMe drive in its class; failure modes are documented, drivers are mature |
| Ecosystem compatibility | On every server vendor’s QVL, every hypervisor’s HCL | Dell, xFusion, Lenovo all qualify PM9A3; ESXi, Windows, Linux all support it in-box |
| Performance consistency | 1 DWPD rating with steady sustained write after SLC cache fill | Predictable performance across the endurance window |
| Price-performance | Mid-range pricing, top-quartile performance | The reference point for TCO comparisons |
| Power efficiency | 5W idle, 12W average active | Among the most power-efficient 7.68TB NVMe drives |
PM9A3 vs Kioxia CD8P vs Micron 7450 PRO
| Recurso | PM9A3 | Kioxia CD8P | Mícron 7450 PRO |
|---|---|---|---|
| Resistência | 1 DWPD | 2 DWPD | 1 DWPD |
| Random Write IOPS | 180K | 250K | 410K |
| NAND Layers | 128 | 112 | 176 |
| Sustained Write (after SLC fill) | ~1,600 MB/s | ~3,800 MB/s | ~2,400 MB/s |
| Best for | Proven general-purpose, virtualização, read-heavy | Mixed-use with endurance headroom | Write-heavy mixed workloads |
| Preço (relative) | 100 percent | ~110 percent | ~105 percent |
Plataformas Compatíveis
U.2 NVMe, compatible with Dell R660, R760, R770, R7715, R860, R960, xFusion FusionServer V7, Lenovo ThinkSystem V3/V4. Funciona com PERC H755N, H965i, or direct PCIe passthrough via tri-mode controllers.
Fonte através de Xincuan
Factory-direct pricing on the full PM9A3 capacity range. 3-ano de garantia, envio global, volume pricing for 10+ drives.
