看不下去了...幫賣家說句公道話...
底下的網址資料是 Sempron 140 的原廠spec

AMD 原廠只說明這是一顆2.7GHZ C2步進AM3腳位CPU, 內建 DDR2/DDR3控制器
而 DDR3控制器 支持到 DDR3-1333 外頻 是到近期的 C3步進才到位...

AMD原廠並沒有保證AM3 DDR3控制器,都可以穩上 DDR3-1333/1600
基本上 這就是CPU體質問題, 拿來做退貨理由不太洽當.





http://www.cpu-world.com/CPUs/K10/AMD-Sempron%20140%20-%20SDX140HBK13GQ%20(SDX140HBGQBOX).html
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General information
Type CPU / Microprocessor
Market segment Desktop
Family AMD Sempron
Model number ? 140
CPU part number SDX140HBK13GQ
Box part number SDX140HBGQBOX
Stepping code AAEEC AE
Frequency (MHz) ? 2700
Bus speed (MHz) ? One 2000 MHz 16-bit HyperTransport link
Clock multiplier ? 13.5
Package 938-pin organic micro-PGA
AMD Package number 30412
Sockets Socket AM2+
Socket AM3
Introduction date July 22, 2009
Price at introduction $36

Architecture / Microarchitecture
Processor core ? Sargas
Core stepping ? C2
Manufacturing process 0.045 micron
Data width 64 bit
Number of cores 1
Floating Point Unit Integrated
Level 1 cache size ? 64 KB code cache
64 KB data cache
Level 2 cache size ? 1 MB
Cache latency 3 (L1 cache)
15 (L2 cache)
Features
MMX Technology
3DNow!
SSE
SSE2
SSE3
SSE4a ?
Advanced Bit Manipulation ?
AMD64 technology ?
Virtualization Technology ?
Enhanced Virus Protection ?
Low power features Cool'n'Quiet 3.0
On-chip peripherals
Integrated dual-channel DDR2/DDR3 Memory Controller
HyperTransport 3 technology

Electrical/Thermal parameters
V core (V) ? 0.825 - 1.35
Maximum operating temperature (°C) ? 63
Thermal Design Power (W) ? 45