AMD Phenom X 4 2.2GHz 9550 Quad-Core Processor, HD9550WCJ4BGH, AM2 / AM2+
Bottom line: The AMD Phenom X 4 2.2GHz 9550 Quad-Core Processor is a specs-and-price decision rather than a crowd-consensus one in the retro cpus category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.
As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →
Before you buy
- Confirm socket / form-factor / power-rating compatibility against your build before ordering
- Used and vintage listings vary by seller and condition — check the listing photos, description and return terms before buying
Manufacturer description
AMD Part Number: HD9550WCJ4BGH. Socket:AM2 / AM2+ 95 WATTS. AMD PHENOM X4 QUAD CORE 9550 PROCESSOR. To protect the pins, the processor will be placed in a. Note: The last five digits of the serial number of each processor.
SpecPicks Verdict
SpecPicks scored AMD Phenom X 4 2.2GHz 9550 Quad-Core Processor using a rating × review-volume × price-fit model applied to published specs and reviews across the retro cpus category. AMD's retro cpus lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for retro cpus of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Full Specifications
| tdp_watt | 95 |
|---|---|
| core_count | 4 |
| base_clock_ghz | 2.2 |
Ready to buy?
AMD Phenom X 4 2.2GHz 9550 Quad-Core Processor, HD9550WCJ4BGH, AM2 / AM2+ is vintage hardware; the used and vintage market on eBay carries most of the live inventory. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
Related Retro CPUs
More guides & deep dives from the SpecPicks archive
Browse all articles & guides →- Best Retro Handhelds in 2026 — From $35 to $500
- How to Build a Windows 98 Retro PC in 2026
- Best 1440p Gaming GPUs in 2026
- RTX 4070 Super vs RX 7800 XT — Which to Buy in 2026
- Emulation Hardware in 2026: FPGA, Software, and Cart-Reader Ecosystems
- The Complete Voodoo5 5500 AGP Driver Guide (2026 Edition)
- Best Budget Gaming PC Build 2026 — ~$1,000 Parts List
More reviews from the SpecPicks archive
Browse all reviews →- llama.cpp MTP support landed - Qwen3.6 27B at 2.44× on a Strix Halo, 2.17× on a RTX 3090 rig
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 4090
- Ryzen 7 9800X3D vs 7800X3D: The Real-Game FPS Gap at 1080p, 1440p, and 4K
- GLM-5.2 Review: Running the Top Open-Weights LLM on an RTX 3060
- Best AMD Ryzen CPU for Gaming in 2026: 5 Picks Compared
- Sound Blaster Audigy FX vs G6: Modern PCIe and USB Audio for Retro-Gaming Rigs
- Best GPU for Ollama Under $300: Why 12GB Beats a Faster 8GB Card
- Best Gaming Webcam and Microphone Bundle for Streamers in 2026
- AI-Driven Driver Install on Windows 98: TNT2, Voodoo3, and SoundBlaster Live! Walked by Claude
- Steam Deck Randomly Awakens? Causes & Fixes (2026)
- BOSGAME VTA-439: A Linux-Friendly Ryzen AI 9 HX 470 Mini PC
- Real Productivity on 32-64GB RAM for Local LLMs
- Best Work-From-Home Kit for Gamers in 2026
- GeForce 6800 Ultra AGP Install Guide: Drivers, Benchmarks, and the Last Great AGP Card
- MiniCPM5-1B: The 1B Model That Beats Reasoning Peers by Knowing When to Shut Up
- Console to Gaming PC: What Changes in 2025
- AI Bug-Hunters Are Flooding Security Reports: Running a Local Code-Audit LLM on an RTX 3060
- Intel Core Ultra 5 250K Plus Takes On the Ryzen 5 7600X3D for Mid-Range Gaming
- Is the RTX 3060 12GB Still Worth It for 1080p Gaming in 2026?
- How Running Out of VRAM Affects Your FPS
- Revive an Old Payphone with a Raspberry Pi Zero 2W
- How to run Llama 3.1 70B on NVIDIA GeForce RTX 5070
- ViewSonic VX2730D-4K Review: 4K Gaming at 163 PPI and 144Hz
- Best Raspberry Pi 5 Home Lab Cluster Setup for Self-Hosting (2026)
Earliest SpecPicks reviews
Browse full archive →- Best GPU for Llama 3.1 8B (2026)
- Best GPU for Qwen 3 14B (2026)
- Best GPU for Qwen 3 32B (2026)
- Best GPU for Llama 3.1 70B (2026)
- Best GPU for DeepSeek-R1 32B (2026)
- Best GPU for Llama 3.1 405B (2026)
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 14B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 70B on NVIDIA GeForce RTX 5090
- How to run DeepSeek-R1 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 4090