# Hardware features

**URL:** <https://forum.kx.com/t/hardware-features/6143>\
**Category:** Community Support\
**Tags:** kdb-and-q\
**Created:** [July 13, 2009, 11:51am UTC](https://forum.kx.com/t/hardware-features/6143 "2009-07-13T11:51:00Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![jul\_grange](https://avatars.discourse-cdn.com/v4/letter/j/71c47a/32.png) [@jul\_grange](https://forum.kx.com/u/jul_grange)\
**Post date:** [July 13, 2009, 11:51am UTC](https://forum.kx.com/t/hardware-features/6143/1 "2009-07-13T11:51:00Z")

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Received: by 10.151.107.4 with SMTP id j4mr1745962ybm.25.1247482271629; Mon, 13 Jul 2009 03:51:11 -0700 (PDT)Date: Mon, 13 Jul 2009 03:51:11 -0700 (PDT)X-IP: 193.109.83.1User-Agent: G2/1.0X-Google-Token: TpfspQwAAABknTZtXRFCzujqqz6xJSKIX-HTTP-Via: 1.1 SGE-TUKCW-ISA02X-HTTP-UserAgent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 2.0.50727; InfoPath.1; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; .NET CLR 1.1.4322),gzip(gfe),gzip(gfe)Message-ID: \<6c6cae5f-c52c-444c-a191-7f5557eaf97f@l31g2000vbp.googlegroups.com\>Subject: Hardware featuresFrom: Julien \<jul.grange\>To: “Kdb+ Personal Developers” X-Google-Approved: [charlie@kx.com](mailto:charlie@kx.com) via web at 2009-07-13 10:52:38I have a quick question about the required features for a kdb+hardware environment.How many RAM do you recommend in order to manipulate a splayed tableof 7GB with two other tables of 2GB and 1.5GB (we make join,filtering, group by…)?ps: I have to load the entire table at each query and I can’t justselect a small part of this table and my big table is 17 million rowsand 43 columns.Regards,Julien Grange\</jul.grange\>