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Today real estate on memory DIMMs is minimal. Memory speeds are *WAYUPTHERE compared to the old days so things need to be much closer together limiting DIMM size. So IBM must purchase higher density chips for the higher capacity DIMMs and greater density costs more. Hence the range Mike describes here in pricing from a little over $500 to nearly $5000 per GB. Also IBM no longer takes trade ins on memory (hasn't for some time) so you are paying a price more relative to IBMs cost than in the old days.
Today we must do more thinking on memory configuration, not where to put it but how to size it. A POWER5 520 can take only two memory features so if you put in two 2GB features it's full and the next upgrade leaves some memory on the table. Another example is an 8 way 570 full of 16GB Memory DIMMS. On that machine it is actually cheaper to upgrade to a 12-16 way machine (doubling the available memory slots) and put in more 16GB DIMMs than it is to replace the current 16GB DIMMs with 32GB DIMMs!! Your business partner needs to understand this.
All in all today's set up is much better but I still wouldn't call i memory 'Cheap'
- Larry Crump, Mike wrote:
It will be a miracle if this thread doesn't spawn a life of it's own. The costs will vary depending on size, server, and whether or not it is DDR1 or DDR2. You will see some fluctuation in pricing ranging anywhere from $550 per gigabyte (typical 1GB modules) to $1300/$1500 (typical 4GB or 8GB modules) up to $4700 (32GB DDR2 module). These are list prices and your mileage may very depending on your system, your available slots, and your memory needs. In theory our pricing should be close to what our P counterparts are paying but I've heard some rumbling that it isn't. I don't speak that language so I won't even attempt to interpret. Michael CrumpManager, Computing ServicesSaint-Gobain Containers, Inc. 1509 S. Macedonia Ave. Muncie, IN 47302 765.741.7696765.741.7012 fTracers work both ways. This email and its attachments may be confidential and are intended solely for the use of the individual to whom it is addressed. Any views or opinions expressed are solely those of the author and do not necessarily represent those of Saint-Gobain. If it did, it would be folded, mutilated, watered down, politically corrected, and would show up a week later if at all. If you are not the intended recipient of this email and its attachments, you must take no action based upon them, nor must you copy or show them to anyone. Please contact the sender if you believe you have received this email in error.-----Original Message-----From: midrange-l-bounces@xxxxxxxxxxxx [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Joe Pluta Sent: Monday, March 05, 2007 11:14 AM To: 'Midrange Systems Technical Discussion' Subject: Memory costs The last time I looked, memory for the System i was about $4000 per gigabyte (I'm not even sure how much DASD is anymore). Is that number still close to the current cost? I have to believe it's come down some, but how much? Joe
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