256mb 133mhz Memory
Overview
Product sourcing insights & recommendations


I have completed a comprehensive analysis of the 256MB 133MHz memory (PC133 SDRAM) market, which has evolved into a critical "Legacy Maintenance Hub" for industrial and medical infrastructure.
My research confirms that while this technology is over two decades old, it remains in high demand for maintaining CNC machines, MRI scanners, and aerospace systems. Prices for these modules remain high relative to their capacity due to the cessation of mass production, with the market now relying on New Old Stock (NOS) and verified refurbished units. The analysis highlights critical sourcing risks, such as chip density sensitivity and the distinction between unbuffered and registered modules, which are vital for system stability in mission-critical environments.
Detailed technical specs, market price trends for 2026, and a strategic sourcing guide for industrial MRO (Maintenance, Repair, and Operations) are provided in the report below.
Based on these insights, you can continue with:
256mb Pc133 Sdram 133mhz Memory Module
Products · 3 lists

4GB DDR3 SDRAM Memory Chip 96-Pin BGA Flash RAM NT5CC256M16EP-EK 1 Year Warranty New Original Component

MT9HTF12872AZ-667H1 MODULE DDR2 SDRAM 1GB 240UDIMM -
Shenzhen Yeyang Technology Co., Ltd.🇨🇳CN4 yrs
Memory Module RAM K4AAG165WA-BCTD DDR4 16Gb SDRAM Flash Chip
Shenzhen Keyongbang Electronic Co., Ltd.🇨🇳CN4 yrs
For 32GB DDR4 SDRAM Memory Module 2666 MHz ECC Registered M393A4K40BB2-CTD
Shenzhen Hailian Huhui Technology Co., Ltd.🇨🇳CN5 yrs
New Original 256Mb (16Mx16) 133MHz SDR SDRAM Memory IC TSOP-54 Integrated Circuit Storage Chip

H5PS1G63JFR-Y5C 1Gb DDR2 SDRAM Memory IC 1.8 V FBGA84 High Speed DRAM Module for Embedded System Industrial Control
Shenzhen Tianzheng Xuan Electronic Technology Co., Ltd.verified🇨🇳CN1 yr
A5e00156622 Sdram Pc133-222-520 256mb 133mhz Cl2
Xiamen Xinchengjin Trading Co., Ltd.🇨🇳CN1 yr
1 Piece Brand New Original A5e00133187 32mx64 Sdram 256mb Pc133-222-520 Plc Industrial Automation
Zhangpu Weihao Zhilian Technology Co., Ltd.🇨🇳CN1 yr
1 Piece Brand New Original A5e00133187 32mx64 Sdram 256mb Pc133-222-520 Plc Industrial Automation
Zhangpu Ruihang Boda Technology Co., Ltd.🇨🇳CN1 yr
1 Piece Brand New Original A5e00133187 32mx64 Sdram 256mb Pc133-222-520 Plc Industrial Automation
Quanzhou Taiwan Business Investment Zone Tick Electronic Firm (individual Business)🇨🇳CN2 yrs
1 Piece Brand New Original A5e00133187 32mx64 Sdram 256mb Pc133-222-520 Plc Industrial Automation

1 Piece Brand New Original A5e00133187 32mx64 Sdram 256mb Pc133-222-520 Plc Industrial Automation
Xiamen Anjiecheng Automation Technology Co., Ltd.🇨🇳CN1 yr
1 Piece Brand New Original A5e00133187 32mx64 Sdram 256mb Pc133-222-520 Plc Industrial Automation
Shanghai Yuantong Zhilian Technology Co., Ltd.🇨🇳CN1 yr
1 Piece Brand New Original A5e00133187 32mx64 Sdram 256mb Pc133-222-520 Plc Industrial Automation
Xiamen Aopro Automation Equipment Co., Ltd.🇨🇳CN1 yr
Plc 1 Piece Brand New Original A5e00133187 32mx64 Sdram 256mb Pc133-222-520 Industrial Automation for Warranty Product
Xiamen Bokong Automation Equipment Co., Ltd.🇨🇳CN1 yr
(Electronic Components) SDRAM PC133 128MB
Shenzhen Winsome Electronic Technology Co., Ltd.🇨🇳CN16 yrs
A5e00133187 32mx64 Sdram 256mb Pc133222520 Brand New Original Spot Plc
Xiamen Ruiqiying Trading Co., Ltd.🇨🇳CN1 yr
New Original 512Mbit SDRAM Memory IC LVTTL 133MHz 65Ns 54-TSOP II Integrated Circuit
Shenzhen Kuanwei Technology Co., Ltd.🇨🇳CN1 yr
SY Chips 256Mbit DDR2 SDRAM Memory 32M x 8 166MHz 84-FBGA Package K4G80325FB-HC25
Shenzhen Sy Chips Technology Co., Ltd.🇨🇳CN8 yrs
MT41K256M16TW-093:P 4Gb DDR3L SDRAM | 256Mx16 | 933MHz (1866MT/s) | 1.283V ~ 1.45V | 96-BGA | Commercial Temp | in Stock
Xinquehui Electronics (Shenzhen) Co., Ltd.verified🇨🇳CN1 yr
Memoria Ram Ddr5 HMCG94AGBRA182N (64G 2RX4 5600) Ram Ddr5 64gb Memory ram Ddr5 Server ram

Made in China High-quality and High-performance Memory Module 4GB 8GB DDR3L1600 Notebook Memory Module204-Pin DDR3 SDRAM

DDR3L SDRAM 8G-Bit Memory chip H5TC8G63AMR-PBA H5TC8G63AMR-PBR
Shenzhen Caiyusheng Electronics Co., Ltd.🇨🇳CN9 yrs
HMT42GR7BFR4A-PB HYNIX MEMORY 16GB 2RX4 PC3L 12800R DDR3 1600MHZ
Compan-IT Sp.k.PL1 yr
Server RAM 4ZC7A08710 64GB DDR4-2933MHz PC4-23400 ECC Dual Rank 288-pin 2rx4 Registered Rdimm Memory
Guangzhou Jincheng Electronic Technology Co., Ltd.verified🇨🇳CN15 yrs
Memory Electronics Component Em6Hf16Ebxb-12Sh Manufacturer Channel
Shenzhen Jintaiheng Electronics Co., Ltd.🇨🇳CN1 yr
ORIGINAL SUPPLY A5E00133187 32MX64 SDRAM 256MB PC133-222-520 LOC#S101
Xiamen Liyaboyuan Autaomtion Co., Ltd.🇨🇳CN1 yr
Server RAM 4ZC7A08710 64GB DDR4-2933MHz PC4-23400 ECC Dual Rank 288-pin 2rx4 Registered Rdimm Memory

Memory Electronics Component Em6Hf16Ebxb-12Sh Manufacturer Channel

ORIGINAL SUPPLY A5E00133187 32MX64 SDRAM 256MB PC133-222-520 LOC#S101
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Sources & References
27 sources cited · Verified industry data & reports

PC133 256MB Computer RAM for sale
eBay
PC133 133MHz ECC SDRAM 168-Pin DIMM. This memory module is circuited with DIMM installations and uses a binary sequence of 256 MB for data quantity.

ACP-EP Memory 256MB PC133 168-PIN SDRAM DIMM ...
Amazon.com
Size 0.25 GB RAM Memory Technology SDRAM PC133 Memory Speed 133 MHz. Additional Features Lightweight Voltage 3.3 Volts Form Factor Desktop Data Transfer Rate ...

256MB PC133 SDRAM ECC Registered Memory Kit
4 All Memory
SDRAM Size: 128MB Pin Count: 168 Speed: PC100 ECC: Yes Registered: Yes Voltage: 3.3V Configuration: 16Meg x 72

Random-access memory
Wikipedia
The resulting product had a 2,400 μm 2 memory cell size, a die size just under 10 mm 2, and sold for around $21.

Memorycity 256MB 133MHz 168 Pin SDRAM DIMM PC133
Amazon.com.be
Size/capacity · 256MB ; Voltage/power consumption · 3.3V ; CAS latency · CL3 ; Speed · PC133 (133 MHz) ; Type/Interface · SDRAM DIMM 168 pin.

How to identify a PC133 Memory
SimmTester.com
133 MHz SDRAM typically has a speed rating of 7.5 nanoseconds when running on a motherboard with a 133 MHz Front Side Bus.
