PowerEdge XR2

The Dell - Alienware XR2 is built for dependable scale and predictable memory behavior. Key platform facts:

• 2 × Intel Xeon Scalable (2nd Gen) CPUs
• 6 memory channels per CPU
• 8 DIMM slots total (up to 2 DIMMs per channel)
• Supports DDR4 RDIMM ECC up to 1 TB using Registered ECC RDIMMs

Why Proven Match™ matters for IT teams:

• Deterministic kits mapped to controller rules and system topology
• Installs cleanly and trains at the correct frequency the platform expects
• Prevents unsupported mixes and avoids unexpected runtime instability

Proven Match™ converts OEM controller limits and JEDEC timing into upgrade kits that behave like factory memory.

• CPU Sockets: 2 × Intel Xeon Scalable (2nd Gen)
• Channels per CPU: 6
• DIMM Slots: 8 total (up to 2 DIMM(s)/channel)
• Memory Type: DDR4 RDIMM ECC
• Controller Speeds: 1DPC up to 2933 MT/s; 2DPC typically 2666 MT/s
• Max Capacity: 1 TB Reg ECC RDIMMs
• Last Reviewed (freshness): 2026-02-12

Speed behavior:

• The CPU memory controller sets the real memory bus speed.
• 1 DIMM per channel (1DPC) commonly reaches up to 2933 MT/s.
• 2 DIMMs per channel (2DPC) commonly steps to 2666 MT/s for stability.
• Listings reflect configured speed—not just the DIMM label.

Bank Schema (Population Map):

• Fastest (1DPC): Populate one DIMM per channel across both CPUs for maximum single‑rank throughput.
• Balanced (2DPC): Add second DIMM per channel mirrored across CPUs to increase capacity while maintaining symmetry.
• Maximum: Fill remaining slots symmetrically to reach the platform’s capacity limits.

Proven Match™ surfaces only controller‑safe, topology‑compliant configurations to ensure predictable performance and stability.

Compatible Memory Types:

• Curated Samsung / Micron / Hynix modules for DDR4 RDIMM ECC
• Zero‑mix policy: No mixing RDIMMs with LRDIMMs; densities matched per channel
• No RDIMM/LRDIMM mixing; symmetric densities per channel; ECC required for server workloads

Validation Tokens: Every configuration must pass three gates before it’s offered:

1. JEDEC DDR4 compliance
2. Intel Xeon Scalable (2nd Gen) controller rules (1DPC/2DPC)
3. OEM slot topology verification

Only builds that clear all three are surfaced—stable, balanced, and performance‑true.

Mid Tier (capacity + density focus)

• Virtualization (higher VM density)
• Databases / OLTP
• Application servers
• Streaming ETL

Max Tier (capacity and in‑memory bandwidth)

• In‑memory analytics (Spark, Arrow)
• AI/ML fine‑tuning or training
• ERP consolidation
• VDI at scale

Business outcome: pick the Proven Match™ tier that aligns to your workload — predictable capacity and bandwidth scaling without instability or configuration risk.

Choose the outcome you need: Fastest (1DPC) or Largest (2DPC/Max). Every kit includes:

• Proven Match™ compatibility stamp — guaranteed controller‑safe builds
• Real‑world configured speed shown (not just DIMM label)
• Lifetime warranty and advance replacement
• Server‑savvy support for quick troubleshooting

Select your kit to deploy predictable, OEM‑equivalent memory upgrades for Dell - Alienware XR2.