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Zbook 15 G3 Xeon E3-1505m v5 and non-ECC memory


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Hello, this is my first post here, glad to be a part of community.

Currently I'm looking at Zbook 15 G3 with Xeon E3-1505m v5 for cheap and the only thing that makes me wonder is:

Will it work with non-ECC DDR4 memory sticks? I'm not talking about mixing ECC and non-ECC, I have spare 2x16G Hynix sticks and planning to use it in that scenario.

I am aware that HP docs says something like "just use ECC", but I'm curious if anyone had tried this.


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Sorry that I can't offer confirmation, but I think there is quite a good chance that this will work.  I'm not so familiar with the ins and outs of the HP ZBook line, but I know that Dell Precision 7000-series works with both ECC and non-ECC memory if a Xeon CPU is installed.  This is true for all generations where Xeon has been offered (6th gen - 11th gen).  Intel supports it, so it seems like it would work with HP systems unless they went out of their way to block it.

Apple MacBook Pro 16-inch, 2023 (personal) • Dell Precision 7560 (work) • Full specs in spoiler block below
Info posts (Dell) — Dell Precision key postsDell driver RSS feeds • Dell Fan Management — override fan behavior
Info posts (Windows) — Turbo boost toggle • The problem with Windows 11 • About Windows 10 LTSC


Apple MacBook Pro 16-inch, 2023 (personal)

  • M2 Max
    • 4 efficiency cores
    • 8 performance cores
    • 38-core Apple GPU
  • 96GB LPDDR5-6400
  • 8TB SSD
  • macOS 14 "Sonoma"
  • 16.2" 3456×2234 120 Hz mini-LED VRR display
  • Wi-Fi 6E + Bluetooth 5.3
  • 99.6Wh battery
  • 1080p webcam
  • Fingerprint reader

Also — iPhone 12 Pro 512GB, Apple Watch Series 8


Dell Precision 7560 (work)

  • Intel Xeon W-11955M ("Tiger Lake")
    • 8×2.6 GHz base, 5.0 GHz turbo, hyperthreading ("Willow Cove")
  • 64GB DDR4-3200 ECC
  • NVIDIA RTX A2000 4GB
  • Storage:
    • 512GB system drive (Micron 2300)
    • 4TB additional storage (Sabrent Rocket Q4)
  • Windows 10 Enterprise LTSC 2021
  • 15.6" 3940×2160 IPS display
  • Intel Wi-Fi AX210 (Wi-Fi 6E + Bluetooth 5.3)
  • 95Wh battery
  • 720p IR webcam
  • Fingerprint reader



  • Dell Precision 7770, 7530, 7510, M4800, M6700
  • Dell Latitude E6520
  • Dell Inspiron 1720, 5150
  • Dell Latitude CPi
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I have a Zbook 17 G3 with a Intel Xeon E3-1535M v5 and it works ok with non-ECC memory.

CLEVO PT870TM1-G || i7 8700K || 32 GB 2400MHz || Nvidia GTX 1080 x 2 || 1440p @120Hz
HP ZBOOK 17 G3 || Xeon E3-1535M v5 || 16 GB 2400MHz || Nvidia Quadro GTX M5000M || 1080p @60Hz
DELL PRECISION M6400 || C2Q QX9300 || Nvidia Quadro FX3700M || 1200p @60Hz || RETIRED

LG 27UK850-W || 2160p @60Hz || AMD Freesync
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