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That Server You Ordered Has Eight Empty DIMM Slots. Here Is Why That Matters.
A Dell R770 ships with 32 DIMM 슬롯. Your order says 512 GB. The system integrator put 8x 64 GB DIMMs in it. That leaves 24 empty slots. 더 중요한 것은, it leaves 8 memory channels completely unpopulated — CPU1 channels E, 에프, G, H and CPU2 channels E, 에프, G, H have zero DIMMs. Half your memory bandwidth is gone before the server finishes POST.
삼성 64 GB DDR5-5600 ECC RDIMM is a dual-rank, x4-organized, registered DIMM built on Samsung 10nm-class (1ㅏ) DRAM process. ~에 5600 MT/s in 1DPC configuration, it delivers the rated speed on all current-generation Dell PowerEdge and xFusion FusionServer platforms. When used as the only DIMM per channel, it keeps the memory controller at its fastest timing without the speed penalty of 2DPC population.
기술 사양
| 매개변수 | 사양 |
|---|---|
| 용량 | 64 DIMM당 GB |
| 유형 | DDR5 SDRAM, 등기 (RDIMM), ECC |
| 속도 | 5600 MT/s (PC5-44800) |
| CAS 대기 시간 | CL40 (CL40-39-39 5600 MT/s) |
| 조직 | 2RX4 (이중 등급, x4 DRAM 장치) |
| 전압 | 1.1VVDD, 1.8V VPP |
| D램 공정 | Samsung 10nm-class (1ㅏ) 음주 |
| 온다이 ECC | 예 (DDR5 표준 — 하위 채널별 오류 수정) |
| 측파대 ECC | 예 (standard ECC across data bus — corrects single-bit, detects multi-bit errors) |
| 온도 센서 | 통합 SPD 열 센서 (I2C, iDRAC/iBMC에서 읽기) |
| PMIC | On-DIMM 전원 관리 IC (DDR5 standard — per-DIMM voltage regulation) |
| 폼 팩터 | 288-핀 DDR5 RDIMM, 표준 높이 (31.25 mm) |
| 물리적 | 133.35 엑스 31.25 mm, ~18g |
| 온도 | 0°C to 85°C (DRAM junction, TCASE) |
| 적격 플랫폼 (작은 골짜기) | Poweredge R470, R660, R670, R760, R770, R7715, R860, R960, XE9680 (16세대) |
| 적격 플랫폼 (xFusion) | Fusionserver 1288h V7, 2288H V7, 2488H V7, 5288 V7, 5885H V7, G5500 V7 |
| 보증 | 3-년도 (서버와 함께), lifetime limited (standalone Samsung OEM) |
Three Rules for Ordering This DIMM
1. Match DIMMs within a channel. Every DIMM on the same memory channel must be identical — same capacity, same speed bin, same rank count, same vendor. Mixing a Samsung 64 GB with an SK hynix 64 GB on the same channel forces both DIMMs to train down to the slowest common timing supported by both vendors. Buy DIMMs in matched kits.
2. Populate all channels before going 2DPC. If your server has 16 메모리 채널 (dual-socket Xeon) and you need 1 결핵, order 16x 64 GB (one per channel) ~에 5600 MT/s. Do not order 16x 64 GB and populate them in 8 channels at 2DPC — the speed drops to 4800 MT/s and you lose 14% 대역폭. Same DIMM count, same total capacity, different channel population, different performance.
3. Check the platform QVL. This Samsung 64 GB part (M321R8GA0BB0-CQK or equivalent) is on the Dell PowerEdge 16th Gen and xFusion FusionServer V7 QVL. If your platform is an earlier generation (14세대, V6), verify QVL compatibility — not all DDR5 RDIMMs are backward-compatible with DDR4 platforms, and not all DDR5-5600 DIMMs train correctly on DDR5-4800 native platforms.
Compatible Server Memory Configurations
| 플랫폼 | Channels (총) | DIMM 슬롯 | 1DPC Config (this DIMM) | 총 용량 (1DPC) |
|---|---|---|---|---|
| 델 R470 | 8 | 16 | 8엑스 64 GB | 512 GB |
| 델 R660/R760/R770 | 16 | 32 | 16엑스 64 GB | 1 결핵 |
| 델 R860 / 엑스퓨전 2488H V7 | 32 | 64 | 32엑스 64 GB | 2 결핵 |
| 델 R7715 | 12 | 24 | 12엑스 64 GB | 768 GB |
| x퓨전 1288H/2288H V7 | 16 | 32 | 16엑스 64 GB | 1 결핵 |
Xicuan을 통한 소스
We supply Samsung DDR5 RDIMMs pre-installed in server configurations with factory-direct pricing, 3-1년 보증, 그리고 글로벌 배송. Our engineers populate DIMMs according to the platform’s optimal memory population guide.
