UNV - 3U chassis, 64 channels, Up to 4K realtime live view/recording, H.265 dualstream
video compression, Bandwidth: 384Mbps (Live/Recording)/384Mbps
(Web Transfer), 2 HDMI/VGA simultaneous video output up to 4K definition,
two way audio, support 16 SATA Hotswappable HDDs up to 160TB, 2 mini
SAS ports for extended storage, support RAID, 4 USB3.0, support quad NIC
(10/100/1000M) & 2 Gigabit SFP ports, NDAA.

Geovision - 64Ch. 8 Bay Intel i9 NVR Rackmount Server, 4U Case.

Hanwha - 4K 64Ch. NVR, H.265/H.264/MJPEG, 8 SATA HDD Bays (64TB max), e-SATA/iSCSI storage, WiseStream technology, ARB (Automatic Recovery Backup), dual monitor out, max. resolution of 12MP recording/display and fisheye dewarping on web and CMS, QR code.

Hanwha - 4K 64CH NVR, H.265/H.264/MJPEG, 12 Hot Swap HDD bays, 400Mbps recording/ 32Mbps playback throughput, maximum camera resolution of 12MP recording/display and fisheye dewarping on WEB and CMS, ARB (Automatic Recovery Backup) & Failover (N+1), iSCSI, redundant power, HDMI/D-Sub VGA dual display, DI/O, 2-way audio, ONVIF, Support RAID 5/6, however RAID can't be configured under this HDD configuration.

Dahua - 64ch. INT 4K NVR, 384Mbps/384Mbps (64 channel IP Video Inputs), 4ch@4K/16ch@1080p, Audio, Alarm, 2U, 8SATA, 110 to 240 VAC, 50/60 Hz, 6TB included.

Dahua - 64ch. INT 4K NVR, 384Mbps/384Mbps (64 channel IP Video Inputs), 4ch@4K/16ch@1080p, Audio, Alarm, 2U, 8SATA, 110 to 240 VAC, 50/60 Hz, 4TB included.

Dahua - 64ch. INT 4K NVR, 384Mbps/384Mbps (64 channel IP Video Inputs), 4ch@4K/16ch@1080p, Audio, Alarm, 2U, 8SATA, 110 to 240 VAC, 50/60 Hz, 48TB included.

Dahua - 64ch. INT 4K NVR, 384Mbps/384Mbps (64 channel IP Video Inputs), 4ch@4K/16ch@1080p, Audio, Alarm, 2U, 8SATA, 110 to 240 VAC, 50/60 Hz, 24TB included.

Dahua - 64ch. INT 4K NVR, 384Mbps/384Mbps (64 channel IP Video Inputs), 4ch@4K/16ch@1080p, Audio, Alarm, 2U, 8SATA, 110 to 240 VAC, 50/60 Hz, 12TB included.

Dahua - 128Ch. NVR, 384Mbps/256Mbps(128 channel IP Video Inputs),4ch@4K/16ch@1080P, Audio, Alarm, 2U, Raid 0/1/5/6/10/50/60, N+M, Supports Fisheye Dewarp, IVS, Gigabit NIC, HDMI/VGA, HDD Not Included, Supports 8 SATA Drives. with 6TB included.

Dahua - 128Ch. NVR, 384Mbps/256Mbps(128 channel IP Video Inputs),4ch@4K/16ch@1080P, Audio, Alarm, 2U, Raid 0/1/5/6/10/50/60, N+M, Supports Fisheye Dewarp, IVS, Gigabit NIC, HDMI/VGA, HDD Not Included, Supports 8 SATA Drives with 4TB inlcuded.

Dahua - 128Ch. NVR, 384Mbps/256Mbps(128 channel IP Video Inputs),4ch@4K/16ch@1080P, Audio, Alarm, 2U, Raid 0/1/5/6/10/50/60, N+M, Supports Fisheye Dewarp, IVS, Gigabit NIC, HDMI/VGA, HDD Not Included, Supports 8 SATA Drives.with 48TB included.

Dahua - 128Ch. NVR, 384Mbps/256Mbps(128 channel IP Video Inputs),4ch@4K/16ch@1080P, Audio, Alarm, 2U, Raid 0/1/5/6/10/50/60, N+M, Supports Fisheye Dewarp, IVS, Gigabit NIC, HDMI/VGA, HDD Not Included, Supports 8 SATA Drives.with 12TB included.

UNV - 4K 128Ch. NVR, H.264/H.265/Ultra 265, Supports 16 SATA Hard Drive (Up to 8TB), Hard Drive not included, RAID 0/1/5/6/10/50/60, Support 2 miniSAS Interfaces, ANR, NDAA.

Vivotek - 64-CH NVR, Embedded Windows, 8GB RAM, 64G SATA DOM, 8HDD Up to 8GB, : 1920x1080 @ 270 fps, H.265/H.264, Microphone audio jack Input x1, 2U Rackmount, 100~220V AC.