Синьчуаньский сервер | Поставщик оборудования для корпоративных серверов
The 32GB DIMM Is the Most Cost-Effective Way to Populate 16 Memory Channels. Here Is Why.
Buy 16x 32 GB DDR5 DIMMs for a dual-socket server and you get 512 GB across all 16 memory channels at 1DPC — full speed, no 2DPC penalty, every channel active. The total cost: грубо $4,000. Buy 16x 64 GB DIMMs for 1 TB instead, and the cost jumps to roughly $8,000 — double the money for double the capacity, but the same number of channels and the same 1DPC speed. The SK hynix 32 GB DDR5-4800 ECC RDIMM is the DIMM you order when you need full channel population, full memory bandwidth, and enough capacity for the workload — without overpaying for capacity you will not use.
Технические характеристики
| Параметр | Спецификация |
|---|---|
| Емкость | 32 ГБ на модуль DIMM |
| Тип | DDR5 SDRAM, Registered (RDIMM), ЕСС |
| Скорость | 4800 МТ/с (PC5-38400) |
| CAS Latency | CL40 (CL40-39-39 at 4800 МТ/с) |
| Organization | 1Rx8 (single-rank, x8 DRAM devices) or 2Rx8 (dual-rank, depending on SKU) |
| Напряжение | 1.1V VDD, 1.8V VPP |
| DRAM Process | SK hynix 1a-class (14нм) DDR5 DRAM |
| On-Die ECC | Да (DDR5 standard — per-subchannel error correction) |
| Sideband ECC | Да (standard ECC across data bus) |
| Temperature Sensor | Integrated SPD thermal sensor (I2C, read by iDRAC/iBMC) |
| PMIC | On-DIMM Power Management IC (DDR5 standard) |
| Фактор формы | 288-pin DDR5 RDIMM, standard height (31.25 мм) |
| Физический | 133.35 Икс 31.25 мм, ~16g |
| Температура | 0C to 85C |
| Qualified Platforms (Делл) | PowerEdge R660, 760 рэндов, 770 рэндов, 860 рэндов, 960 рэндов (4th Gen Xeon platform) |
| Qualified Platforms (xFusion) | Fusionserver 2288H V7, 2488Х V7, 5288 V7, 5885Х V7 |
| Гарантия | 3-год (с сервером) |
32 GB vs 64 GB vs 128 GB — The DIMM Density Decision
| Сценарий | Recommended DIMM Size | Population | Total Capacity | Ориентировочная стоимость |
|---|---|---|---|---|
| General virtualization, 16 Виртуальные машины, moderate density | 32 ГБ | 16Икс (1ЦОД, all channels) | 512 ГБ | ~$4,000 |
| Database server, 1 TB working set | 64 ГБ | 16Икс (1ЦОД, all channels) | 1 ТБ | ~$8000 |
| VMware host, 100+ Виртуальные машины, 2 TB needed | 128 ГБ | 16Икс (1ЦОД) or 32x 64 ГБ (2ЦОД, speed penalty) | 2 ТБ | ~$16,000 |
| In-memory database, 4 TB needed | 256 ГБ (3DS RDIMM) | 16Икс (1ЦОД, 16 каналы) | 4 ТБ | ~$40,000 |
The 1DPC Speed Rule for 32 ГБ DIMM
One DIMM per channel at 4800 MT/s delivers full rated speed. Two DIMMs per channel drop to 4400 МТ/с (3DS RDIMM) или 4800 МТ/с (standard RDIMM, platform-dependent). For a dual-socket server with 16 каналы памяти, ordering 16x 32 GB at 1DPC gives you full bandwidth on all 16 каналы. Ordering 32x 32 GB forces 2DPC on all 16 channels — no speed penalty on standard RDIMMs at this density, but you lose the option to expand later. Leave half the slots empty if your workload fits in 512 ГБ; populate all 32 slots only if you need 1 ТБ.
Совместимые платформы
DDR5-4800 ECC RDIMM. Совместимость с Dell PowerEdge R660., 760 рэндов, 770 рэндов, 860 рэндов, 960 рэндов (4поколение Xeon). Также совместим с xFusion FusionServer V7.. Verify platform QVL before ordering. Mixing SK hynix with Samsung or Micron DIMMs on the same channel forces both to train down to the slowest common timing — order matched kits.
Источник через Синькуань
We supply SK hynix DDR5 RDIMMs pre-installed in Dell and xFusion servers. Прямые цены с завода, 3-год гарантии, и доставка по всему миру.
