IBM 47J0169 8GB DDR3 PC3-12800R 1600MHz ECC Registered DIMM, 2Rx4, IBM Option 90Y3111 (Lot of 48): This is a lot of 48 IBM-branded 8 GB DDR3 Registered ECC server memory modules. The FRU 47J0169 corresponds to IBM option/spare 90Y3111. These modules are dual-rank x4 organization, running at 1600 MHz under PC3-12800R timings. They are Registered DIMMs (RDIMM) and not compatible with unbuffered desktop platforms. These are refurbished modules.
Engineering Context
PC3-12800R provides approximately 12.8 GB/s of theoretical bandwidth per channel. Dual-rank x4 (2Rx4) modules increase rank-level parallelism within a channel, which can improve memory-bound workloads but may reduce maximum DIMMs-per-channel relative to single-rank parts on some platforms. ECC Registered operation isolates DRAM electrical loading from the memory controller via a register chip, which is required for high-DIMM-density server channels. Always validate the host vendor QVL when mixing ranks or vendors.
Deployment & Use Cases
Capacity refresh and replacement for IBM System x x3550 M4, x3650 M4, x3500 M4, and HS23/HS23E blade nodes. Lenovo System x rebadge platforms based on the same generation. Virtualization hosts (VMware vSphere, Microsoft Hyper-V) and SAP/Oracle DDR3 secondary or dev nodes where 8 GB RDIMM density is the sweet spot.
Technical Specifications
- OEM: IBM
- FRU: 47J0169
- IBM Option / Spare: 90Y3111
- Capacity: 8 GB
- Type: DDR3 PC3-12800R Registered ECC
- Speed: 1600 MHz
- Rank / Organization: 2Rx4 (Dual-Rank x4)
- Form Factor: 240-pin DIMM
- ECC: Yes (Registered)
- Lot Quantity: 48 modules
- Condition: Refurbished — Tested by T.E.S IT-SOLUTIONS
Compatibility & Hard Constraints
Designed for IBM/Lenovo System x DDR3-era servers that accept Registered ECC DIMMs at 1600 MHz. Always cross-reference IBM/Lenovo published memory configuration tables and QVL for the target server. Not compatible with desktop UDIMM platforms, DDR3 LRDIMM-only servers, or DDR4 systems. Voltage operation depends on platform support. Do not mix RDIMM ranks per channel without verifying server documentation.
Why Choose T.E.S IT-SOLUTIONS
T.E.S IT-SOLUTIONS validates every module for SPD, capacity detection, and ECC reporting. We offer expert consultation on IBM/Lenovo System x memory population, global shipping, and comprehensive warranty. Browse our memory catalog for matching FRUs and DDR3/DDR4 capacities. Handling time is 1–3 business days.