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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.
Specifiche tecniche
| Parametro | Specifica |
|---|---|
| Capacità | 7.68tubercolosi (Anche: 1.92tubercolosi, 3.84tubercolosi, 15.36tubercolosi) |
| Fattore di forma | 2.5-pollici U.2 (15mm) |
| Interfaccia | PCIe 4.0 x4, Nvme 1.4 |
| Tipo NAND | Samsung V-NAND V6 (128-strato) 3D TLC |
| Controller | Samsung Elpis (8nm, 10-channels per NAND chip) |
| DRAM Cache | SÌ (1 GB per 1 TB of NAND) |
| Lettura sequenziale (128K) | Fino a 6,800 Mb/s |
| Scrittura sequenziale (128K) | Fino a 4,000 Mb/s |
| Lettura casuale (4K, QD256) | Up to 1,000K IOPS |
| Scrittura casuale (4K, QD256) | Up to 180K IOPS |
| Latency (4K Random Read, QD1) | ~75 microseconds |
| Latency (4K Random Write, QD1) | ~15 microseconds |
| Resistenza | 1 DWPD (5 anni), 14,016 TBT (7.68TB model) |
| MTBF | 2,000,000 ore |
| Energia (Oziare / Avg Active / Massimo) | 5W / 12W / 18W |
| Protezione dalla perdita di potenza | Capacitor-backed, full data path protection |
| Sicurezza | Opale del GCC 2.0, Sed, AES-256, instant secure erase |
| Physical | 100.45 X 69.85 X 15.00 mm, 140G |
| Temperature | 0C to 70C |
| Garanzia | 5-anno limitato (produttore), 14,016 TBW limit |
Why the PM9A3 Remains the Baseline in 2026
| Factor | PM9A3 (baseline) | 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, Finestre, 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
| Caratteristica | PM9A3 | Kioxia CD8P | Micron 7450 PRO |
|---|---|---|---|
| Resistenza | 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, virtualizzazione, read-heavy | Mixed-use with endurance headroom | Write-heavy mixed workloads |
| Price (relative) | 100 percent | ~110 percent | ~105 percent |
Piattaforme compatibili
U.2 NVMe, compatible with Dell R660, R760, R770, R7715, R860, R960, xFusionFusionServer V7, Lenovo ThinkSystem V3/V4. Works with PERC H755N, H965i, or direct PCIe passthrough via tri-mode controllers.
Fonte attraverso Xincuan
Factory-direct pricing on the full PM9A3 capacity range. 3-anno di garanzia, global shipping, volume pricing for 10+ azionamenti.
