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  • KOMPUTERBAY 512MB SDRAM DIMM (168 Pin) 133Mhz PC133 168 pin 3.3v NON ECC DESKTOP MEMORY - 100% Compatible
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KOMPUTERBAY 512MB SDRAM DIMM (168 Pin) 133Mhz PC133 168 pin 3.3v NON ECC DESKTOP MEMORY - 100% Compatible


Price: $8.80 & FREE Shipping on orders over $35. Details
In Stock.
Sold by Komputerbay and Fulfilled by Amazon. Gift-wrap available.
512MB
  • 512MB PC133 SDRAM DIMM
  • SDRAM (Synchronous DRAM). 133 Mhz (backward compatible with PC 100/66). Operating voltage: 3.3V. 168 PIN
  • DIMM (DUAL IN-LINE MEMORY)
  • COMPATIBLE WITH DESKTOPS
  • Lifetime Warranty
3 new from $8.80 2 used from $4.99 1 refurbished from $16.00

Frequently Bought Together

KOMPUTERBAY 512MB SDRAM DIMM (168 Pin) 133Mhz PC133 168 pin 3.3v NON ECC DESKTOP MEMORY - 100% Compatible + KOMPUTERBAY 2GB (2 x 1GB ) DDR DIMM (184 PIN) 400Mhz PC3200 CL 3.0 DESKTOP MEMORY
Price for both: $31.29

Buy the selected items together


Product Details

Capacity: 512MB
  • Shipping Weight: 1.6 ounces (View shipping rates and policies)
  • ASIN: B003CH7MY0
  • Item model number: KB_512SDR133_1
  • Average Customer Review: 4.4 out of 5 stars  See all reviews (298 customer reviews)

Product Description

Capacity: 512MB

While at first glance, it may be in your best interest to shop around. Know that when you purchase RAM from Komputerbay, you're getting Grade-A brand name computer memory. Cheap computer memory, while possibly being compatible, can cause system crashes, error codes in your computer, and even damage to your motherboard! Other sellers may offer you similar looking products for a few cents or a dollar less, but here's the scoop on why: they sell cheap-grade memory and they don't test the modules before shipping! This ends up costing you time and money. Trust when you buy from Komputerbay, you are getting top of the line product from a top of the line company.

We test every module before it leaves the building, and back all of our purchases up with a LIFETIME WARRANTY!

  • PC133 (133MHz)
  • SDRAM
  • 168 Pin
  • Memory Upgrade
  • Non ECC
  • Non parity
  • Unbuffered
  • 3.3V
  • CL 3.0
  • Incompatible with Apple Mac
  • Lifetime Warranty

Komputerbay's strategy is simple - we have eliminated all the distributors/brokers/agent/etc. so as to bring the goods directly from the manufacturer to the end user. By doing so - ours costs go down which in turn brings the selling price down. As far as the warranty is concerned- it's even simpler - the warranty is being provided by the manufacturer who in this situation also happens to be the seller. No more searching for manufacturer's contact information anymore!



Customer Questions & Answers

Customer Reviews

If the specs are right, why should there not be compatibility?
Ray B. Miller
You just know when they snap in place just right that they're going to work and that was the case here.
frankp93
It was easy to install and worked fine - the computer runs much faster now with this new memory.
Dianna Uchida

Most Helpful Customer Reviews

14 of 16 people found the following review helpful By T. McGuire on June 25, 2010
Size Name: 512MB Verified Purchase
I had an old Dell with 512MB RAM on which I run Linux, and really needed to bump it up to 1GB to run the apps I wanted. PC133 memory is getting a little difficult to find, and some vendors really charge a premium for it. For the price, this looked right. I popped it in, it worked fine, and I've extended the working life of my system for 2 or 3 years at minimal expense. Of course, you will need to make sure that your machine requires PC133 memory, or you will have wasted your time/money.
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8 of 9 people found the following review helpful By BAD on April 3, 2011
Size Name: 512MB Verified Purchase
Hard to find these size rams nowadays. Plugged 2 of these in my old Dell and works like a champ. Probably extended the life of my pc for another yr or two... I have this in my pc for about 3mo. now, and no issues here... Buy it if you need it, because you won't find anything cheaper...
*if you purchase anything online,(amazon, walmart,etc) try to leave honest reviews and comments, because it really does help other people*
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7 of 8 people found the following review helpful By darthgumby on August 27, 2010
Size Name: 512MB Verified Purchase
I ordered this RAM from Komputerbay about a month ago, and it shipped out fine. I recieved it quickly, and it was said to be a brand new stick. The problem was that it was a bad stick. The computer kept crashing at random times at startup with memory errors. I sent the stick back with their required paperwork to get a replacement. It had been a week and a half before I had dedcided to write to them and ask about my order, which had not been looked into yet. A few days after that they said that my replacemen was being shipped, but now it's been over a week and I still haven't been given any information as to if it was shipped, no tracking numbers, or when to expect it. They were very vague in their customer response as well. I liked their prices, but if I had knew it was going to take this long and involve this much trouble I would have just paid a few extra dollars to order from someone else.
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4 of 4 people found the following review helpful By ga0735 on April 12, 2013
Size Name: 512MB Verified Purchase
I ordered three 512MB SDRAM DIMM Komputerbay memory sticks to upgrade RAM in my old Gateway desk top computer. Shipping was quick, and packaging was faultless; however, the package only contained two of the three memory sticks that I'd ordered. Amazon refunded the cost of the missing memory stick, and I ordered a replacement from Komputerbay; Amazon even comped the shipping cost. Once again, shipping was quick and the packaging was great. Now, with three memory sticks in-hand, I opened my computer and did the upgrade. NUTS, only one of the three memory sticks worked! Following instructions, I returned the two bad memory sticks, and Amazon refunded the cost.

Komputerbay prices, speed, and packaging are all good, and I'm a patient person, but all that messing around for only one third of the memory sticks I needed? Their prices and my patience are not enough reason for me to ever order any more memory from Komputerbay.
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3 of 3 people found the following review helpful By Suzan on January 15, 2013
Size Name: 1GB (2x 512MB) Verified Purchase
This memory is mislabeled and/or miss-advertised. The memory module had 9 chips instead of 8 on arrival and can damage a PC if the PC requires 128MB 168-pin PC133 SDRAM DIMM as this vendor advertises. A quick look at the photos of other vendors selling this memory upgrade shows it should have only 8 chips with a space in the middle as did comparing it to the existing memory already in my PC.

Warning: Look over memory carefully and do not just rely on the specs.

This experience was very troubling as this vendor warns against using the wrong memory and the damage it can cause and then sends the wrong memory that does not match the specs.

While the other reviews were so positive I can only wonder if the vendor is carefully checking the memory before shipping it out and what could have happened.

Customer service was at a minimum. My printer died so I couldn't print out the return label and only after I offered to pay for the cost of receiving the shipping label did the vendor accept and use my self addressed stamp envelope. The vendor did send me the label, and that was the last I heard. No apology for my time and frustration was forthcoming. (I'm annoyed that I spent two stamps on this vendor's mistake).

Amazon customer service was great and refunded my purchase.
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3 of 3 people found the following review helpful By Skip Braden on April 26, 2012
Size Name: 512MB Verified Purchase
I ordered this RAM for an Intel D845GLLY MoBo:
up to 2 168-pin DIMMS, 3.3 V, 133 MHz SDRAM interface.
The intel sheet did note: The memory must support
(SPD) data structure. I didn't see anything regarding
Serial Presence Detect in the product description on Amazon.

What I found on Amazon:
Technical Details
512MB PC133 SDRAM DIMM
SDRAM (Synchronous DRAM).
133 Mhz (backward compatible with PC 100/66).
Operating voltage: 3.3V. 168 PIN
Dimm (Dual In-Line Memory)
Compatible With Desktops
Lifetime Warranty

Product Description
100% PC COMPATIBLE MEMORY - DOES NOT WORK ON APPLE MACS CAPACITY: 512MB

I should have done my homework, but for $11.00 Each. it was worth a shot.
I guess we will see how well the return process works...
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2 of 2 people found the following review helpful By Walt on October 12, 2013
Size Name: 512MB Verified Purchase
Ordered this B003CH7MY0(KB_512SDR133_1) and B004XN8UHU(KB_1GB_2X512MB _PC133) to upgrade (3) 256MB sticks in mother board. Installed all 3 512MB sticks, PC reports only 1GB memory. Check the B003CH7MY0 by itself in each of the 3 motherboard slots, BIOS error - no memory installed. Stick is garbage.
Ran PC with the other 2 sticks, started getting random BSOD.
Ran memory test program from boot, multiple memory failures. Ran each of the 2 sticks individually.
Over 6 hour test period, 1 stick had 10's of bit failures. Other stick test had 100's of bit failures.
Most common failure was write 0, but read back =1.
Result, 3 different sticks, 3 different results. This brand is very poor quality, probably some China counterfeit parts.
Do not buy these parts.
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Important Information

Legal Disclaimer
Lifetime is defined as the lifetime of the product on the market. Outdated technology is not covered by lifetime warranty if the item is no longer available on the common market as a new product. Komputerbay is trademarked by Komputerbay LTD. All products branded as Komputerbay are to be sold solely by Komputerbay. Komputerbay does not authorize the use of its trademarked products to third party sellers.

Seller Warranty Description
Lifetime is defined as the lifetime of the product on the market. Outdated technology is not covered by lifetime warranty if the item is no longer available on the common market as a new product. Komputerbay is trademarked by Komputerbay LTD. All products branded as Komputerbay are to be sold solely by Komputerbay. Komputerbay does not authorize the use of its trademarked products to third party sellers.