Lenovo 4XG0E76799 Thinkstation Intel E5-2609 V2 4C CPU

Lenovo 4XG0E76799 Intel Xeon E5-2609 V2 4-Core Workstation Processor

Overview

The Lenovo 4XG0E76799 is a tray-packaged Intel Xeon E5-2609 V2 processor designed for ThinkStation workstations and compatible LGA 2011 server platforms. Built on Intel's 22nm Ivy Bridge-EP architecture, this quad-core CPU runs at a fixed 2.5 GHz base clock with no Turbo Boost — a deliberate design choice that delivers predictable, stable throughput for sustained workloads like video decoding, surveillance recording, and data processing applications where consistent latency matters more than burst performance. If you're sourcing a replacement or upgrade CPU for a Lenovo workstation or compatible LGA 2011 platform, the 4XG0E76799 is the channel-direct option to verify against your socket and thermal envelope before ordering.

Key Features

• Quad-Core 2.5 GHz Fixed Clock: Four physical cores at a locked 2.5 GHz means no frequency variance under load — useful in 24/7 NVR and recording workstation environments where frame-drop sensitivity makes clock jitter a real problem.
• 10 MB L3 Cache: The large shared L3 cache reduces main-memory fetch latency for multi-stream decode tasks, keeping throughput higher when multiple video channels or parallel processes compete for data.
• LGA 2011 (Socket R) Platform: Targets the Intel C600-series chipset platform — confirm your ThinkStation or server board uses Socket R before ordering. This is a tray part with no retail packaging, so it ships without a heatsink or retention bracket.
• 80W Thermal Design Power: At 80W TDP, this processor fits within the thermal envelope of standard LGA 2011 workstation chassis without requiring upgraded cooling beyond the OEM specification — important if you're doing a drop-in replacement rather than a full system refresh.
• 768 GB Maximum Memory Support: The E5-2609 V2 memory controller supports up to 768 GB of registered ECC DDR3 across supported memory channels — headroom that far exceeds typical workstation deployments and ensures the platform won't be memory-ceiling-limited in dense VM or analytics workloads.
• 42.6 GB/s Memory Bandwidth: Dual QPI links at 6.4 GT/s and 42.6 GB/s peak memory bandwidth keep data moving fast enough to support multi-stream HD video ingest without the processor becoming a pipeline bottleneck.
• 22nm Lithography / 64-Bit Operating Modes: The 22nm process node delivers reasonable power efficiency for a server-class part. Full 64-bit support is standard for any modern OS or hypervisor deployment — no compatibility constraints there.
• Tray Packaging: Supplied as a tray unit — factory-new processor without retail box or heatsink. Standard for OEM integrators and system builders sourcing replacement parts through channel-direct supply. Plan accordingly for thermal compound and a compatible cooler if not reusing existing hardware.

Integration & Compatibility

The 4XG0E76799 targets LGA 2011 (Socket R) platforms using the Intel C600-series chipset. Lenovo ThinkStation workstations built around this socket are the primary intended deployment — verify your specific ThinkStation model number against Lenovo's CPU compatibility matrix before procurement. The E5 V2 family also drops into many third-party LGA 2011 server boards, though thermal and BIOS compatibility must be validated per-board. For surveillance system builds using a workstation-class machine as the recording or analytics host, pair this processor with ECC DDR3 registered memory and a compatible network video recorder software stack — the stable clock and large L3 cache suit multi-camera decode workloads running on a dedicated host. Review your PoE switch and network infrastructure alongside any CPU upgrade if the bottleneck is system-level rather than compute-only.

Frequently Asked Questions

Q: What socket does the Lenovo 4XG0E76799 use?

A: The 4XG0E76799 uses the LGA 2011 (Socket R) socket. Confirm your ThinkStation or server board is equipped with this socket before ordering — it is not compatible with LGA 2011-3 or other socket variants.

Q: Does this CPU include a heatsink or retail packaging?

A: No. The 4XG0E76799 ships as a tray-packaged part only — no heatsink, no retention bracket, no retail box. Plan for a compatible OEM or aftermarket cooler if one is not already installed in the system.

Q: What is the TDP of the E5-2609 V2 processor?

A: The Thermal Design Power is 80W. This fits within the standard LGA 2011 workstation thermal envelope, making it a direct replacement candidate without chassis or cooling modifications in most ThinkStation configurations.

Q: Does the E5-2609 V2 support Turbo Boost?

A: No. The Intel Xeon E5-2609 V2 runs at a fixed 2.5 GHz base clock with no Turbo Boost. This is intentional for workloads requiring consistent, predictable clock behavior — but if peak single-thread burst performance is a priority, consider a higher-tier E5 V2 variant with Turbo enabled.

Q: How much memory does the E5-2609 V2 support?

A: The processor's integrated memory controller supports up to 768 GB of DDR3 registered ECC memory, with a peak memory bandwidth of 42.6 GB/s. Practical limits will depend on the number of DIMM slots and memory capacity supported by the host board.

Q: Is this a new or refurbished part?

A: The 4XG0E76799 is sourced as a factory-new tray unit through channel-direct supply — no grey-market, no parallel imports.

Marty Allison

The Lenovo 4XG0E76799 is a workstation CPU upgrade that gets overlooked precisely because it's not flashy — but the fixed 2.5 GHz clock on the E5-2609 V2 is exactly what you want in a dedicated surveillance recording host where consistent decode throughput across 16–32 camera streams matters more than single-threaded burst speed.

Technical Highlights:

• Fixed 2.5 GHz / No Turbo: No frequency scaling under thermal pressure means frame decode latency stays predictable. In a 24/7 NVR workstation, that stability is worth more than the headline clock speed suggests.
• 10 MB L3 Cache + 42.6 GB/s Memory Bandwidth: The combination keeps multi-stream H.264/H.265 decode pipelines fed without stalling on memory fetch — practical headroom when the host is handling both live decode and simultaneous storage write operations.
• 80W TDP in LGA 2011 Socket R: Slots into ThinkStation thermal solutions already rated for this envelope. No cooling upgrade required for a direct replacement, which keeps the service window tight on an operational recording station.

Deployment Considerations:

• Tray packaging means no heatsink included — reuse the existing OEM cooler or source a compatible LGA 2011 heatsink before scheduling the swap. Thermal compound reapplication is mandatory.
• No Turbo Boost is a real limitation for any workload with bursty single-thread demand (e.g., VMS analytics engines that spike on motion events). If your VMS relies heavily on single-threaded inference, a higher-tier E5 V2 with Turbo may serve better.

Best fit: a ThinkStation-based surveillance recording host running 16+ camera streams at continuous 1080p, where the existing CPU is the bottleneck and a drop-in LGA 2011 replacement keeps the platform in service without a full system refresh.