Spontaneous Rebooting and RAM

I have had some 32 GB DRAM 2667 Mhz DDR4 in my iMac. Recently it has been spontaneously rebooting. so I decided to remove the ram and test each individual "stick". I got the following results using REMBER. Is this a true failure? Toss the sticks? Thank you.

Memtest version 4.22 (64-bit)

Copyright (C) 2004 Charles Cazabon

Copyright (C) 2004-2008 Tony Scaminaci (Macintosh port)

Licensed under the GNU General Public License version 2 only

macOS 13.4 ( 22F66) running in multiuser mode

Memory Page Size: 4096

System has 12 Intel core(s) with SSE

Requested memory: 48995MB (51375697920 bytes)

Available memory: 48995MB (51375697920 bytes)

Allocated memory: 48995MB (51375697920 bytes) at local address 0x0000000101000000

Attempting memory lock... locked successfully

Partitioning memory into 2 comparison buffers...

Buffer A: 24497MB (25687848960 bytes) starts at local address 0x0000000101000000

Buffer B: 24497MB (25687848960 bytes) starts at local address 0x00000006fc1d7800

Running 2 test sequences... (CTRL-C to quit)

Test sequence 1 of 2:

Running tests on full 48995MB region...

Stuck Address : setting 1 of 16

FAILURE! Data mismatch at local address 0x00000004e3bda938

Actual Data: 0x00000004e3bfa938

Linear PRN : setting 1 of 16